Raras
Buscar doenças, sintomas, genes...
Microcefalia - polimicrogiria - agenesia do corpo caloso
ORPHA:171703CID-10 · Q04.3DOENÇA RARA

A síndrome de microcefalia, polimicrogiria e agenesia do corpo caloso é uma condição rara e genética que afeta a formação do sistema nervoso central. Ela se manifesta por: microcefalia acentuada (cabeça pequena) que começa ainda na gravidez; grande atraso no desenvolvimento dos movimentos (motor) com fraqueza muscular (hipotonia); polimicrogiria bilateral (muitas dobras pequenas e anormais nos dois lados do cérebro); ausência do corpo caloso (a estrutura que liga os dois hemisférios cerebrais); dilatação ventricular (aumento dos espaços com líquido dentro do cérebro); cerebelo pequeno; e morte precoce.

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Introdução

O que você precisa saber de cara

📋

A síndrome de microcefalia, polimicrogiria e agenesia do corpo caloso é uma condição rara e genética que afeta a formação do sistema nervoso central. Ela se manifesta por: microcefalia acentuada (cabeça pequena) que começa ainda na gravidez; grande atraso no desenvolvimento dos movimentos (motor) com fraqueza muscular (hipotonia); polimicrogiria bilateral (muitas dobras pequenas e anormais nos dois lados do cérebro); ausência do corpo caloso (a estrutura que liga os dois hemisférios cerebrais); dilatação ventricular (aumento dos espaços com líquido dentro do cérebro); cerebelo pequeno; e morte precoce.

Escala de raridade

CLASSIFICAÇÃO ORPHANET · BRASIL 2024
<1 / 1 000 000
Ultra-rara
<1/50k
Muito rara
1/20k
Rara
1/10k
Pouco freq.
1/5k
Incomum
1/2k
Prevalência
0.0
Worldwide
Casos conhecidos
4
pacientes catalogados
Início
Antenatal
+ neonatal
🏥
SUS: Cobertura mínimaScore: 15%
CID-10: Q04.3
🇧🇷Dados SUS / DATASUS
PROCEDIMENTOS SIGTAP (5)
0202010503
Cariótipo — bandas G, Q ou Rgenetic_test
0202010600
Pesquisa de microdeleções/microduplicações por FISHlab_test
0202010694
Sequenciamento completo do exoma (WES)rehabilitation
0202010260
Dosagem de alfa-fetoproteína
0301070040
Atendimento em reabilitação — doenças raras
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Entender a doença

Do básico ao detalhe, leia no seu ritmo

Preparando trilha educativa...

Sinais e sintomas

O que aparece no corpo e com que frequência cada sintoma acontece

Partes do corpo afetadas

🧠
Neurológico
2 sintomas
🫁
Pulmão
1 sintomas
🦴
Ossos e articulações
1 sintomas
🛡️
Imunológico
1 sintomas
❤️
Coração
1 sintomas

+ 1 sintomas em outras categorias

Características mais comuns

55%prev.
Desconforto respiratório
Frequente (79-30%)
55%prev.
Polimicrogiria
Frequente (79-30%)
55%prev.
Hipoplasia cerebelar
Frequente (79-30%)
55%prev.
Infecções recorrentes
Frequente (79-30%)
55%prev.
Microcefalia congênita
Frequente (79-30%)
55%prev.
Ventriculomegalia
Frequente (79-30%)
7sintomas
Frequente (7)

Os sintomas variam de pessoa para pessoa. Abaixo estão as 7 características clínicas mais associadas, ordenadas por frequência.

Desconforto respiratórioRespiratory distress
Frequente (79-30%)55%
PolimicrogiriaPolymicrogyria
Frequente (79-30%)55%
Hipoplasia cerebelarCerebellar hypoplasia
Frequente (79-30%)55%
Infecções recorrentesRecurrent infections
Frequente (79-30%)55%
Microcefalia congênitaCongenital microcephaly
Frequente (79-30%)55%

Linha do tempo da pesquisa

Publicações por ano — veja quando o interesse científico cresceu
Anos de pesquisa1desde 2026
Últimos 10 anos200publicações
Pico202585 papers
Linha do tempo
2026Hoje · 2026📈 2025Ano de pico
Publicações por ano (últimos 10 anos)

Encontrou um erro ou informação desatualizada? Sugira uma correção →

Genética e causas

O que está alterado no DNA e como passa nas famílias

Genes associados

1 gene identificado com associação a esta condição. Padrão de herança: Autosomal recessive.

EOMESEomesodermin homologDisease-causing germline mutation(s) inAltamente restrito
FUNÇÃO

Functions as a transcriptional activator playing a crucial role during development. Functions in trophoblast differentiation and later in gastrulation, regulating both mesoderm delamination and endoderm specification. Plays a role in brain development being required for the specification and the proliferation of the intermediate progenitor cells and their progeny in the cerebral cortex (PubMed:17353897). Required for differentiation and migration of unipolar dendritic brush cells (PubMed:3348834

LOCALIZAÇÃO

Nucleus

VIAS BIOLÓGICAS (5)
Epithelial-Mesenchymal Transition (EMT) during gastrulationGerm layer formation at gastrulationFormation of definitive endodermCardiogenesisSpecification of primordial germ cells
EXPRESSÃO TECIDUAL(Tecido-específico)
Cérebro - Hemisfério cerebelar
29.1 TPM
Cerebelo
26.9 TPM
Baço
14.0 TPM
Sangue
4.8 TPM
Pulmão
2.5 TPM
OUTRAS DOENÇAS (1)
microcephaly-polymicrogyria-corpus callosum agenesis syndrome
HGNC:3372UniProt:O95936

Variantes genéticas (ClinVar)

16 variantes patogênicas registradas no ClinVar.

🧬 EOMES: GRCh37/hg19 3p26.3-14.3(chr3:2263690-55016039)x3 ()
🧬 EOMES: GRCh37/hg19 3p26.3-22.3(chr3:60000-34461438)x3 ()
🧬 EOMES: GRCh37/hg19 3p26.3-22.3(chr3:61891-33946644)x3 ()
🧬 EOMES: GRCh37/hg19 3p26.3-24.1(chr3:310747-28297447)x3 ()
🧬 EOMES: GRCh37/hg19 3p24.2-22.3(chr3:25045365-32691140) ()
Ver todas no ClinVar

Classificação de variantes (ClinVar)

Distribuição de 1 variantes classificadas pelo ClinVar.

1
Patogênica (100.0%)
VARIANTES MAIS SIGNIFICATIVAS
EOMES: NM_001278182.2(EOMES):c.436C>T (p.Leu146Phe) [Conflicting classifications of pathogenicity]

Diagnóstico

Os sinais que médicos procuram e os exames que confirmam

Carregando...

Tratamento e manejo

Remédios, cuidados de apoio e o que precisa acompanhar

Carregando informações de tratamento...

Onde tratar no SUS

Hospitais de referência no Brasil e o protocolo oficial do SUS (PCDT)

🇧🇷 Atendimento SUS — Microcefalia - polimicrogiria - agenesia do corpo caloso

🗺️

Selecione um estado ou use sua localização para ver resultados.

Dados de DATASUS/CNES, SBGM, ABNeuro e Ministério da Saúde. Sempre confirme a disponibilidade diretamente com o estabelecimento.

Pesquisa ativa

Ensaios clínicos abertos e novidades científicas recentes

Pesquisa e ensaios clínicos

Nenhum ensaio clínico registrado para esta condição.

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Publicações mais relevantes

Timeline de publicações
0 papers (10 anos)
#1

Clinical, Neuroimaging and Video Electroencephalography Findings in Children With Congenital Zika Syndrome: An Analysis From a Neurorehabilitation Centre.

International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience2026 Apr

Congenital Zika syndrome (CZS) represents a spectrum of fetal and neonatal abnormalities resulting from in utero Zika virus (ZIKV) transmission during pregnancy. Given the severe multisystem disabilities, relative recency of the epidemic and limited long-term data, comprehensive characterization at specialized centres is crucial. This study aimed to examine clinical symptoms, brain imaging and brain activity (video electroencephalography, VEEG) patterns in children with CZS receiving care at a specialized rehabilitation centre. We conducted a cross-sectional study from August 2018 to January 2019 with 48 children diagnosed with CZS according to the Brazilian Ministry of Health criteria. We collected clinical data from electronic medical records. The most common clinical problems included bladder and bowel incontinence (97.9%), epilepsy (85.5%), facial abnormalities (89%), swallowing difficulties (83.3%), excessive irritability (81.3%), eye misalignment (75%), sleep problems (72.9%), acid reflux (62.0%) and vision problems (62.5%). Brain imaging revealed reduced brain tissue volume (95.8%), abnormal corpus callosum (91.1%), enlarged fluid-filled spaces in the brain (89.5%), calcium deposits at the brain's outer layers (78.3%) and abnormally thick brain folds (71.1%). We found significant links between bone/muscle malformations and both white matter disease (p = 0.036) and enlarged brain ventricles (p = 0.031). Children with CZS consistently show motor difficulties, multiple clinical problems and characteristic brain abnormalities. These findings predict significant limitations in daily activities, movement and cognitive-social development.

#2

Case Report: A female case of X-linked intellectual disability syndrome type 34 caused by a NONO frameshift variant and literature review.

Frontiers in pediatrics2026

To characterize the clinical and genetic features of a female infant with X-linked intellectual disability syndrome type 34 (MRXS34) caused by a de novo NONO frameshift variant, expanding the understanding of phenotypic mechanisms in females for this X-linked disorder. Retrospective study of the clinical data of a 10-month-old female infant diagnosed with MRXS34 due to NONO gene variation in June 2024, along with a literature review. The proband presented with global developmental delay, relative macrocephaly, generalized hypotonia, cardiac anomalies (patent foramen ovale, moderate tricuspid regurgitation, pulmonary hypertension), etc. Whole-exome sequencing (WES) identified a de novo heterozygous frameshift variant in NONO (NM_007363.5): c.994del (p.Gln322Lysfs*31), confirmed absent in both parents by Sanger sequencing. X-chromosome inactivation (XCI) analysis revealed extreme skewing (99% inactivation of the paternal X-chromosome). Transcriptome sequencing demonstrated significantly reduced NONO expression (TPM = 20.70 vs. controls 52.34 ± 5.81). Literature review encompassing 27 postnatal MRXS34 cases (all male) consistently reported intellectual disability/developmental delay (100%), craniofacial dysmorphism (100%), cardiac defects (91.3%, predominantly left ventricular non-compaction), and corpus callosum abnormalities (85%). We report the first molecularly confirmed female MRXS34 patient. Her full phenotypic manifestation is attributed to the de novo NONO loss-of-function variant combined with extreme non-random XCI. This case critically expands the clinical spectrum of MRXS34, underscores the diagnostic importance of XCI analysis in females with XLID phenotypes, and provides insights into the mechanisms enabling female expression of X-linked recessive disorders.

#3

Bi-allelic variants in FSD1L cause a neurodevelopmental disorder overlapping with L1 syndrome.

American journal of human genetics2026 Mar 05

Disruption of the complex processes underlying central nervous system development leads to a broad spectrum of brain malformations and neurodevelopmental disorders, often with a genetic cause. Here, we report bi-allelic pathogenic variants in fibronectin type III and SPRY domain-containing 1-like (FSD1L), encoding a protein of unknown function, in eleven individuals, including five fetuses from six unrelated families. The phenotype ranges from severe hydrocephalus, corpus callosum agenesis, and absent pyramid decussation to a neurodevelopmental syndrome characterized by severe intellectual disability, spastic tetraparesis, reduced vision, and epilepsy, associated with corpus callosum agenesis/hypoplasia, mild ventricular dilation, optic nerve hypoplasia, and white matter reduction. This phenotype closely resembles that observed in L1 syndrome, caused by pathogenic variants in L1CAM, encoding a neural adhesion molecule. The knockdown of Fsd1l in mouse embryos recapitulated the ventricular dilation observed in affected fetuses. Immunohistochemical studies in human control fetuses revealed that FSD1L localized to neurons with commissural fate and projection neurons during human development. Induced pluripotent stem cell (iPSC)-derived neural progenitor cells from affected individuals failed to differentiate into premature neurons and to properly form neurospheres while undergoing increased cell death. In neural progenitors, FSD1L localized with microtubules of the mitotic spindle during M phase and to the transition zone and along the axoneme of the primary cilium during interphase. In line with this, fibroblasts from affected individuals exhibited marked alterations of the mitotic spindle and reduced ciliogenesis and ciliary length compared to control cells. Our findings define FSD1L as a microtubule-associated protein implicated in neuronal differentiation, axon guidance, and fasciculation.

#4

Neurological Consequences of Infantile Vitamin B12 Deficiency - A Prospective Cohort Study.

Pediatric neurology2026 Apr

The purpose of this research is to study the neurological consequences of infantile vitamin B12 deficiency on the developing brain. A prospective cohort study was done in consecutive children with Infantile B12 deficiency. Clinical evaluation, developmental assessment, blood investigations, and a magnetic resonance imaging (MRI) of the brain were performed at baseline and after therapy with injectable vitamin B12. Among 141 children (median age-13 months), developmental delay was observed in 131 (93%), and 79 (56%) had regression. Eighty (57%) babies had head circumference of < -2 Z score. At baseline, the MRI of the brain was abnormal in 137 (97.2%), showing thinning of corpus callosum (n = 133, 94.3%), cerebral cortical atrophy (n = 128, 90.8%), cerebellar atrophy (n = 126, 89.4%), atrophy of midbrain (n = 81, 57.4%) and pons (n = 78, 55.3%). A follow-up MRI done in 98 (69.5%) showed 66 (67%) had one or more residual abnormalities. The baseline full-scale developmental quotient was 22 (interquartile range: 13-30), while the follow-up full-scale developmental quotient score was 47.5 (interquartile range: 42.5-55). Seventy-nine (67.5%) had a follow-up developmental quotient of less than 50, implying moderate to severe developmental retardation. Despite therapy, children affected by the infantile B12 deficiency syndrome have significant lasting effects on the brain, evident as poor head growth, developmental deficits, and residual brain imaging changes.

#5

Systematic analysis of homozygous autosomal copy number losses in exomes improves diagnostic yield and uncovers ultra-rare recessive disorders.

medRxiv : the preprint server for health sciences2026 Jan 27

Systematic analysis of copy number variants (CNVs) in large datasets is challenging and there are limited studies of homozygous copy number losses in rare disease exome datasets. Here we leveraged the genomic uniqueness and relative under-representation of the Indian population in the current public genomic databases and identified 42,386 possible homozygous losses (median count 20 per individual, range 0 - 55; median size 2.95 kb, range 99 bp - 4.76 Mb) in a heterogeneous cohort of 2,021 individuals with suspected Mendelian disorders, who had undergone exome sequencing using 12 different capture kits in a resource-limited setting. Employing a genomic position loss-count based approach, we filtered 1,224 rare homozygous loss calls in 718 individuals (median count 1 per individual, range 0 - 22; median size 3.49 kb, range 121 bp - 4.76 Mb) for further analysis, thus significantly reducing the analysis burden. Clinical correlation and validation of these rare calls enabled 10 new diagnoses in 240 unsolved individuals with at least one filtered rare homozygous loss call. This, led to nearly two-fold increase in diagnosis owing to homozygous deletions in our cohort. Further analysis of the data and identification of additional affected individuals through collaboration led to identification of biallelic FILIP1 and FAM177A1 variants as causes of a syndromic arthrogryposis and a neuromuscular disorder respectively. Both these conditions have been recently proven as ultra-rare recessive disorders, thus validating our approach. We also show that biallelic loss-of-function TFCP2L1 variants cause chronic kidney disease and VPS36 variants cause a severe recessive neurodevelopmental disorder characterised by microcephaly, motor delay, agenesis of the corpus callosum, cerebellar atrophy, seizures, hypotonia, spasticity and early death. Overall, these results demonstrate a scalable approach to screen homozygous losses for improving diagnostic yield and discovering disease-genes in large exome cohorts.

Publicações recentes

Ver todas no PubMed

📚 EuropePMCmostrando 200

2026

Heterozygous frameshift KMT2A variant in a patient with Wiedemann-Steiner syndrome.

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Clinical, Neuroimaging and Video Electroencephalography Findings in Children With Congenital Zika Syndrome: An Analysis From a Neurorehabilitation Centre.

International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience
2026

Clinical-genetic features of the TBCE-related spectrum disorders: A focus on the childhood-onset neurodegenerative phenotype.

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Cureus
2026

Case Report: A female case of X-linked intellectual disability syndrome type 34 caused by a NONO frameshift variant and literature review.

Frontiers in pediatrics
2026

Bi-allelic variants in FSD1L cause a neurodevelopmental disorder overlapping with L1 syndrome.

American journal of human genetics
2026

NONO-Related Syndromic X-Linked Developmental Disability 34: Further Clinical and Molecular Delineation in a Prenatal Cohort.

Prenatal diagnosis
2026

Clinical Heterogeneity in a Scandinavian FMR1 Premutation Carrier Cohort and Basal Ganglia Atrophy in FXTAS.

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Twins With Pathogenic RNF113A Variant Presenting With Testicular Regression Syndrome.

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2026

Neurological Consequences of Infantile Vitamin B12 Deficiency - A Prospective Cohort Study.

Pediatric neurology
2026

Systematic analysis of homozygous autosomal copy number losses in exomes improves diagnostic yield and uncovers ultra-rare recessive disorders.

medRxiv : the preprint server for health sciences
2026

A Patient With Intellectual Disability, Agenesis of Corpus Callosum, and Congenital Heart Disease Associated With Chromosome 10p11.2 Microdeletion.

American journal of medical genetics. Part A
2026

Progressive neuroinflammation and deficits in motor function in a mouse model with an Epg5 pathogenic variant of Vici syndrome.

Experimental &amp; molecular medicine
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Prospective observational study of magnetic resonance imaging in anti-CD19 CAR T-cell-associated neurotoxicity.

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Microphthalmia and Infantile Spasms Leading to the Diagnosis of Aicardi Syndrome: A Case Report and Literature Review of a Rare Entity.

Cureus
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First Detection of 1p36 Deletion by Whole-Exome Sequencing in a Tunisian Patient.

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Aesthetic judgement and appreciation in agenesis of the corpus callosum.

Neuropsychologia
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Clinical and Molecular Spectrum of PPP2R1A-Related Neurodevelopmental Disorders: A Systematic Review.

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[Clinical and genetic analysis of a child with X-linked Hoyeraal-Hreidarsson syndrome due to variant of DKC1 gene and a literature review].

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2026

Vigabatrin-Associated Brain Magnetic Resonance Imaging Abnormalities in Two Children With WW domain-containing oxidoreductase-Related Epileptic Encephalopathy Syndrome.

Pediatric neurology
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Microstructural White Matter Alterations in Angelman Syndrome: A Fixel-Based Analysis.

Autism research : official journal of the International Society for Autism Research
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Shapiro Syndrome: A Case Report.

Cureus
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Refining Aicardi Syndrome diagnostic Criteria: an expert-based consensus using a modified Delphi approach.

European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society
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Chudley-McCullough syndrome: A report of a rare syndromic sensorineural hearing loss.

Radiology case reports
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Prenatal Diagnosis of 6q Terminal Deletion Associated with Coffin-Siris Syndrome: Phenotypic Delineation and Review.

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From Overgrowth to Complex Malformations: A Novel EZH2 Variant Reveals the Expanding Clinical Spectrum of Weaver Syndrome.

Children (Basel, Switzerland)
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Mild Encephalitis/Encephalopathy With a Reversible Splenial Lesion (MERS) Type II in an Adult: A Case Report and Diagnostic Insight.

Cureus
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Transcription factor 4 regulates the interhemispheric midline remodeling through neuron-astroglia communications during corpus callosum formation.

Translational psychiatry
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Chronic interferon-alpha overexpression induces white matter damage and neurovascular abnormalities in a mouse model of Aicardi-Goutières syndrome.

Experimental neurology
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A rare variant of USP9X associated with female-restricted X-linked syndromic intellectual disability.

Molecular biology reports
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[Genetic and clinical characteristics in epilepsy patients with ATP6V1A gene variants].

Zhonghua er ke za zhi = Chinese journal of pediatrics
2025

Are NONO variants linked to congenital heart disease? Patient reports and review.

European journal of medical genetics
2025

First Report of a Familiar MYCBP2 Pathogenic Variant: Expanding the Knowledge of Neurodevelopmental Disorders.

Balkan journal of medical genetics : BJMG
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Microcephaly, Epilepsy, and Diabetes Syndrome 1: A Moroccan Case Report of Novel Compound Heterozygous IER3IP1 Mutations and Literature Review.

Balkan journal of medical genetics : BJMG
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EPG5-Related Disorders in Seven New Patients: Refining the Phenotypic Spectrum and Insights on Phenotype-Genotype Correlations.

Journal of molecular neuroscience : MN
2025

Characterization of brain microstructural changes in children with infantile vitamin B12 deficiency using diffusion tensor imaging.

Neuroradiology
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Prenatal Diagnosis of Rubinstein-Taybi Syndrome-Reporting Twelve Cases of a Rare Disease.

Prenatal diagnosis
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Neuroteratogenic mechanisms of Zika virus (ZIKV) infection: Insights into fetal brain development disruption and congenital Zika syndrome: A systematic review.

Molecular aspects of medicine
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Prenatal diagnosis of 15q13.3 deletion and duplication syndrome: what do we tell the prospective parents?

Archives of gynecology and obstetrics
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Abnormal development of corticospinal tracts in children with Tourette syndrome: A single-center retrospective study.

Medicine
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Nasal Glioma in a Newborn With Suspected Pai Syndrome: Surgical and Diagnostic Insights.

The Journal of craniofacial surgery
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Some novel causes and clinical characteristics of reversible splenial lesion syndrome- found in children.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
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Homozygous PGAP2 Mutation Causes Hyperphosphatasia with Mental Retardation Syndrome-3: Genetic and Clinical Evaluation of the Ultra-Rare Inherited Glycosylphosphatidylinositol Biosynthesis Defect.

Molecular syndromology
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Hereditary Spastic Paraplegy Associated with the AP4S1 Gene: A Case Series Highlighting Diagnostic Pitfalls and Phenotypic Variability.

Molecular syndromology
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Anesthesiologist's Concerns About Dandy-Walker Syndrome: Airway Management, Muscle Relaxants, and Train-of-Four Monitoring of Neuromuscular Blockade.

Journal of medical cases
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Rare features in Feingold syndrome type 1.

European journal of medical genetics
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Reverse Shapiro Syndrome Presenting as Fever of Unknown Origin: A Case Report and Review of the Literature.

Cureus
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Recurrent Spontaneous Hypothermia in an Elderly Woman: A Rare Neurological Case of Late-Onset Shapiro Syndrome.

Cureus
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A large cohort study of prenatal exome sequencing redefines diagnosis in fetal corpus callosum anomalies.

Brain : a journal of neurology
2025

Challenges in diagnosing diaphragmatic eventration in a neonate with Fryns syndrome and cleft palate.

Radiology case reports
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Mechanics of the Spatiotemporal Evolution of Sulcal Pits in the Folding Brain.

Human brain mapping
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Frequency enrichment of coding variants in a French-Canadian founder population and its implication for inflammatory bowel diseases.

medRxiv : the preprint server for health sciences
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Prenatal Characterization of Houge-Janssens Syndrome Type 2: A Case Report and Systematic Review of Fetal Phenotypes Associated With PPP2R1A Mutations.

Molecular genetics &amp; genomic medicine
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Missense Variant Met119Val in ACTB in a Patient with Baraitser-Winter Syndrome Type 1 and Mild Intellectual Disability.

Molecular syndromology
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Fourteen New Pediatric Cases of Shapiro Syndrome.

Pediatric neurology
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Diffusion Tensor Imaging in Acute, Chronic, and Remote Mild Traumatic Brain Injury: A Systematic Review of Cross-Sectional and Longitudinal Studies.

Journal of neurotrauma
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c.7156C > T p.(Gln2386*) variant causes loss-of-function of the USP9X gene in a female-restricted X-linked syndromic intellectual disability: a case report.

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Extremely rare case report of CEBALID syndrome presenting as congenital arthrogryposis.

BMC pediatrics
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Neuroimaging characteristics of single Large-Scale mitochondrial DNA deletion syndromes.

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Neuroaxonal Dystrophy With Osteopetrosis Associated With a Novel Biallelic Nonsense Homozygous Variant in BORCS5.

American journal of medical genetics. Part A
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Clinical Observation on Orbital Teratoma of Delleman Syndrome Diagnosed by Fetal MRI Without Cutaneous Manifestations.

Maternal-fetal medicine (Wolters Kluwer Health, Inc.)
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Complete commissural agenesis in a child with Noonan-like syndrome with loose anagen hair 2.

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Expansion of the Genotypic and Phenotypic Spectrum of TCTN3-Related Joubert Syndrome.

Genes
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New variants and genotype-phenotype correlation of PPP3CA-related developmental and epileptic encephalopathy.

Frontiers in neuroscience
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A Clinical Study of Nine Patients With ReNU Syndrome.

American journal of medical genetics. Part A
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Evolving Magnetic Resonance Imaging (MRI) Findings in Immune Effector Cell-Associated Neurotoxicity Syndrome.

Cureus
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Aphallia in a patient with 9q34 duplication syndrome: a case report.

BMC urology
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Loss of Asxl1 disrupts telencephalic midline integrity through dysregulation of SIX3 target genes.

Biochemical and biophysical research communications
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Midline defect with corpus callosum agenesis, vermian hypoplasia and median cleft lip palate.

Case reports in perinatal medicine
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Novel biallelic NUP107 variants affect the nuclear pore complex and expand the clinical spectrum to include brain malformations.

Journal of medical genetics
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Sex- and age-dependent neurovascular abnormalities linked to neuroinflammation lead to exacerbated post-ischemic brain injury in Marfan syndrome mice.

Redox biology
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KIDINS220 Variant Associated With Hypoplasia of the Corpus Callosum and Aqueduct Stenosis.

Prenatal diagnosis
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Heimler Syndrome: A Report of 2 Indian Children With Review of Literature.

Journal of child neurology
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Aicardi syndrome: Clinical spectrum of a rare disorder.

Journal of family medicine and primary care
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COG6-related prenatal phenotype (CDG2L): Clinico-pathological report and review of the literature.

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Cureus
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Cureus
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Prenatal diagnosis
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Pediatrics
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An 18-month-old girl with Vici syndrome: A case report study.

Molecular genetics and metabolism reports
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Brain sciences
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Viruses
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Along-tract white matter abnormalities and their clinical associations in recent-onset and chronic schizophrenia.

Schizophrenia (Heidelberg, Germany)
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Prenatal diagnosis of a de novo 17q25.3 microdeletion encompassing RAC3 and CSNK1D in a fetus associated with partial agenesis of the corpus callosum, small brain volume, micrognathia and total anomalous pulmonary venous return.

Taiwanese journal of obstetrics &amp; gynecology
2024

Detailed Analysis of Fetal Malformations of the Supratentorial Structures of the Brain in High-Risk Pregnancies at 12-14 Gestational Weeks by Transvaginal 3D Ultrasound Examination.

Ultrasound international open
2025

Paroxysmal sympathetic hyperactivity and refractory hypotension in Guillain-Barré syndrome with autoimmune encephalitis: a case report and literature review.

Frontiers in neuroscience
2025

Neonatal Microcephaly and Central Nervous System Abnormalities During the Zika Outbreak in Rio de Janeiro.

Viruses
2025

The patient-specific mouse model with Foxg1 frameshift mutation provides insights into the pathophysiology of FOXG1 syndrome.

bioRxiv : the preprint server for biology
2025

A Novel Missense Mutation of the ABL1 Gene in a Child With Congenital Heart Defects and Skeletal Malformations Syndrome.

American journal of medical genetics. Part A
2025

Novel Reassortants of Oropouche Virus (OROV) Are Causing Maternal-Fetal Infection During Pregnancy, Stillbirth, Congenital Microcephaly and Malformation Syndromes.

Genes
2025

Phenotypic variability in progressive encephalopathy with brain atrophy and thin corpus callosum: insights from two families.

Neurogenetics
2025

The Phenotypic and Genotypic Spectrum of BRPF1-Related Disorder: 29 New Patients and Literature Review.

Clinical genetics
2025

[Prenatal diagnosis and genetic counseling of 20 fetuses with 15q11.2 BP1-BP2 microdeletion syndrome].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2025

Diffusion tensor imaging with free-water correction reveals distinctions between severe and attenuated subtypes in Mucopolysaccharidosis type I.

Journal of inherited metabolic disease
2025

NONO-related X-linked intellectual disability syndrome: Further clinical and molecular delineation.

European journal of medical genetics
2024

Systematic quantitative modeling of the natural history of Aicardi syndrome: A cross sectional study of 245 published cases.

Orphanet journal of rare diseases
2025

Bi-allelic variants in WDR47 cause a complex neurodevelopmental syndrome.

EMBO molecular medicine
2024

White matter organization abnormalities in adults with 47,XXX: A 7 Tesla MRI study.

Psychiatry research. Neuroimaging
2024

Brain MRI in infants exposed to the Zika virus, with one-year follow-up: expanding the phenotype.

Radiologia brasileira
2025

Exploring the diverse imaging spectrum of Septo-optic dysplasia: A case series.

Radiology case reports
2026

BILATERAL MACULAR DYSPLASIA IN COFFIN-SIRIS SYNDROME.

Retinal cases &amp; brief reports
2024

Microstructural analysis does not support altered interhemispheric wiring of the human anterior commissure in corpus callosum dysgenesis.

NeuroImage. Clinical
2024

Analysis of clinical phenotypes and genetic variations in two pedigrees affected with Weiss-Kruszka syndrome.

BMC medical genomics
2024

Adaptive behavior in primary agenesis of the corpus callosum.

Research in developmental disabilities
2024

Genitopatellar Syndrome With a Novel Variant in the KAT6B Gene: Supporting Spectrum Delineation.

Cureus
2024

Prenatal Diagnosis of Warsaw Breakage Syndrome: Fetal Compound Heterozygous Variants in the DDX11 Gene Associated With Growth Restriction, Cerebral, and Extra-Cerebral Malformations.

Prenatal diagnosis
2025

An update on autophagy disorders.

Journal of inherited metabolic disease
2024

The Aggravation of Neuropsychiatric Symptoms in the Offspring of a Korean Family with Intellectual Disability and Developmental Delay Caused by a Novel ARX p.Lys385Ter Variant.

International journal of molecular sciences
2024

Asymmetry in Atypical Parkinsonian Syndromes-A Review.

Journal of clinical medicine
2025

Pituitary Gland Duplication Syndrome: An International Imaging Analysis.

AJNR. American journal of neuroradiology
2025

Autophagy controls neuronal differentiation by regulating the WNT-DVL signaling pathway.

Autophagy
2025

Epg5 links proteotoxic stress due to defective autophagic clearance and epileptogenesis in Drosophila and Vici syndrome patients.

Autophagy
2024

Prenatal Sonographic Features of Rubinstein-Taybi Syndrome-A Small Case Series of a Rare Syndrome.

Prenatal diagnosis
2024

Aberrant connectivity of the lateralized readiness system in non-syndromic congenital mirror movements.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology
2025

Seven Novel Variants of Weiss-Kruszka Syndrome and Phenotype Expansion.

American journal of medical genetics. Part A
2025

Biallelic PTPMT1 variants disrupt cardiolipin metabolism and lead to a neurodevelopmental syndrome.

Brain : a journal of neurology
2025

Clinical and genetic delineation of autosomal recessive and dominant ACTL6B-related developmental brain disorders.

Genetics in medicine : official journal of the American College of Medical Genetics
2024

Imagawa-Matsumoto Syndrome: The First Case From Turkey.

Noro psikiyatri arsivi
2024

A rare case report: The value of fetal MRI to detect diprosopus twins.

Radiology case reports
2024

Agenesis of Corpus Callosum, Malformations of Cortical Development, Duodenal Atresia and Fetal Growth Restriction: Prenatal Markers for Zhu-Tokita-Takenouchi-Kim Syndrome.

Prenatal diagnosis
2025

MED12 Loss-of-Function Variants as a Cause of Congenital Diaphragmatic Hernia in Females With Hardikar Syndrome and Nonspecific Intellectual Disability.

American journal of medical genetics. Part A
2024

Loss of Zmiz1 in mice leads to impaired cortical development and autistic-like behaviors.

bioRxiv : the preprint server for biology
2024

Impact of pathogenic variants of the Ras-mitogen-activated protein kinase pathway on major white matter tracts in the human brain.

Brain communications
2024

Combined generalized and focal epilepsy with reflex features in Adaptor protein complex 4-associated hereditary spastic paraplegias: A cohort observational study.

Seizure
2024

SCYL2-related autosomal recessive neurodevelopmental disorders: Arthrogryposis multiplex congenita-4 and beyond?

Clinical genetics
2025

An uncommon neuroradiological finding of hippocampal malrotation in childhood onset schizophrenia and 22q11.2 Deletion Syndrome: a case report and a brief review of the literature.

European child &amp; adolescent psychiatry
2024

A nationwide survey of Vici syndrome in Japan.

Brain &amp; development
2024

Shapiro's syndrome: episodic hypothermic hyperhidrosis.

BMJ case reports
2024

SRPK3 Is Essential for Cognitive and Ocular Development in Humans and Zebrafish, Explaining X-Linked Intellectual Disability.

Annals of neurology
2024

Patent Ductus Arteriosus in Association With Agenesis of Corpus Callosum: Syndromic Links, Difficult Airway Challenges, and Pediatric Anesthesia Management.

Cureus
2024

Prenatal and Postnatal Diagnosis and Genetic Background of Corpus Callosum Malformations and Neonatal Follow-Up.

Children (Basel, Switzerland)
2024

Spontaneous intracranial hypotension in a patient without corpus callosum: A case report.

Medicine
2024

Ultra-High Contrast MRI: The Whiteout Sign Shown with Divided Subtracted Inversion Recovery (dSIR) Sequences in Post-Insult Leukoencephalopathy Syndromes (PILS).

Tomography (Ann Arbor, Mich.)
2024

The postnatal injection of AAV9-FOXG1 rescues corpus callosum agenesis and other brain deficits in the mouse model of FOXG1 syndrome.

Molecular therapy. Methods &amp; clinical development
2024

Demystifying the Mystery of Genes: A Case Report on Constitutional Mismatch Repair Deficiency.

The Indian journal of radiology &amp; imaging
2024

Brain perfusion SPECT in dementia: what radiologists should know.

Japanese journal of radiology
2024

Mild encephalitis/encephalopathy with a reversible splenial lesion (MERS).

PCN reports : psychiatry and clinical neurosciences
2024

Prenatal diagnosis of a severe form of frontonasal dysplasia with severe limb anomalies, hydrocephaly, a hypoplastic corpus callosum, and a ventricular septal defect using 3D ultrasound: a case report and literature review.

BMC pregnancy and childbirth
2024

Clinical Presentation and Molecular Characterization of 3 Patients with Vici Syndrome: Two Novel Variants in the EPG5 Gene.

Molecular syndromology
2024

Genotype and Phenotype Characteristics of 58 Cases of Mitochondrial Epilepsy with Nuclear DNA Mutations in Children.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
2024

Imaging Findings and MRI Patterns in a Cohort of 18q Chromosomal Abnormalities.

AJNR. American journal of neuroradiology
2024

Prenatal Diagnosis of Fryns Syndrome through Identification of Two Novel Splice Variants in the PIGN Gene-A Case Series.

Life (Basel, Switzerland)
2024

White matter alterations predict outcomes of comprehensive behavioral intervention for tics in children with Tourette syndrome: A diffusion MRI study.

Journal of psychiatric research
2024

Cryo-EM structures elucidate the multiligand receptor nature of megalin.

Proceedings of the National Academy of Sciences of the United States of America
2024

Expanding phenotype of MED13-associated syndrome presenting novel de novo missense variant in a patient with multiple congenital anomalies.

BMC medical genomics
2024

Total callosotomy ameliorates epileptic activity and improves cognitive function in a patient with Miller-Dieker syndrome.

Epilepsy &amp; behavior reports
2024

Beckwith-Wiedemann Syndrome With Severe Relapsing Hypoglycemia After the Neonatal Period: A Case Report and a Literature Review.

Cureus
2024

[Genetic analysis of a fetus with Pitt-Hopkins syndrome due to a 18q21.2q21.31 microdeletion].

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
2024

Report of a Novel Homozygous Intragenic DCC Duplication and a Review of Literature of Developmental Split-Brain Syndrome aka Horizontal Gaze Palsy with Progressive Scoliosis-2 with Impaired Intellectual Development Syndrome.

Molecular syndromology
2024

Pediatric Cochlear Implants in the Chudley-McCullough Syndrome: A Report of Two Cases.

Cureus
2024

Fetus with multiple congenital anomaly syndrome caused by novel variant in ATP1A2.

Prenatal diagnosis
2024

De novo start-loss variant in HIRA in patient with DiGeorge-like syndrome.

Clinical genetics
2024

Prenatal phenotype of a homozygous nonsense MPDZ variant in a fetus with severe congenital hydrocephalus.

Prenatal diagnosis
2024

A female case of L1 syndrome that may have developed due to skewed X inactivation.

Brain &amp; development
2024

Single Nucleotide Polymorphism in Cell Adhesion Molecule L1 Affects Learning and Memory in a Mouse Model of Traumatic Brain Injury.

International journal of molecular sciences
2024

Structural brain abnormalities in Pallister-Killian syndrome: a neuroimaging study of 31 children.

Orphanet journal of rare diseases
2024

Neurosurgical intervention for the Meckel-Gruber Syndrome: A systematic review.

Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
2024

A selective defect in the glial wedge as part of the neuroepithelium disruption in hydrocephalus development in the mouse hyh model is associated with complete corpus callosum dysgenesis.

Frontiers in cellular neuroscience
2024

Novel characterization of CASK variant c.1963 A>G (p.Asn655Asp) through whole-exome sequencing in a monochorionic diamniotic twin fetus with significant brain anomalies: A case report.

Case reports in women's health
2024

High incidence of cerebrovascular lesions on magnetic resonance imaging in pediatric COVID-19 during omicron outbreak - A retrospective case series.

Journal of the Formosan Medical Association = Taiwan yi zhi
2024

A de novo pathogenic variant in DHX30 gene in a fetus with isolated dysgenesis of the corpus callosum.

Prenatal diagnosis
2024

PGAP2-Related Hyperphosphatasia-Mental Retardation Syndrome: Report of a Novel Patient, Toward a Broadening of Phenotypic Spectrum and Therapeutic Perspectives.

Neuropediatrics
2024

Septo-Optic Dysplasia: A Case Series of 33 Patients.

Neuro-ophthalmology (Aeolus Press)
2024

Cerebellar Heterotopia: Broadening the Neuroradiological Spectrum of KBG Syndrome.

Cerebellum (London, England)
2023

Case report: Twice-daily tolvaptan dosing regimen in a challenging case of hyponatremia due to SIAD.

Frontiers in endocrinology
2024

A genetic variant in the MAST1 gene is associated with mega-corpus-callosum syndrome with hypoplastic cerebellar vermis, in a fetus.

Molecular genetics &amp; genomic medicine
2024

Hydrocephalus associated with a molar tooth sign: A distinct subtype of Joubert syndrome.

Developmental medicine and child neurology
2024

Novel loss-of-function variants expand ABCC9-related intellectual disability and myopathy syndrome.

Brain : a journal of neurology
2024

Microstructural white matter abnormalities in overactive bladder syndrome evaluation with diffusion kurtosis imaging tract-based spatial statistics analysis.

World journal of urology
2024

A de novo variant in ZBTB18 gene caused autosomal dominant non-syndromic intellectual disability 22 syndrome: A case report and literature review.

Medicine
2024

Perinatal clinical course of Vici syndrome associated with novel EPG5 variants: unique cardiac changes and difficulty with foetal diagnosis.

BMJ case reports
2024

Iatrogenic Shapiro syndrome: a case report.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
2023

Congenital Zika Virus Infection Impairs Corpus Callosum Development.

Viruses
2024

A novel SMARCC1 BAFopathy implicates neural progenitor epigenetic dysregulation in human hydrocephalus.

Brain : a journal of neurology
2024

A novel NONO nonsense variant in a fetus with renal abnormalities.

Prenatal diagnosis
2024

Case report: Pai syndrome with multiple ventricular septal defect and without cleft palate.

Clinical neurology and neurosurgery
2023

Spectral-based thickness profiling of the corpus callosum enhances anomaly detection in fetal alcohol spectrum disorders.

Frontiers in neuroscience
2024

Infantile epileptic spasm syndrome as a new NR2F1 gene phenotype.

International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience
2023

Correlation of Diffusion Tensor Tractography with Restless Legs Syndrome Severity.

Brain sciences
2024

Bi-allelic ACBD6 variants lead to a neurodevelopmental syndrome with progressive and complex movement disorders.

Brain : a journal of neurology
2024

Prenatal Diagnosis of Primrose Syndrome.

Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
2023

Teaching Neuroimage - Aicardi Syndrome: A Triad of Epileptic Spasms, Agenesis of Corpus Callosum, and Chorio-Retinal Lacunae.

Neurology India
2023

An Infant With Primrose Syndrome: A Case Report.

Cureus
2023

Prenatal Magnetic Resonance Imaging helps Discover Cerebellar Dysplasia or Malformations in Foetuses.

Current medical imaging
2024

Two novel cases of biallelic SMPD4 variants with brain structural abnormalities.

Neurogenetics
2024

Further characterisation of ARX-related disorders in females due to inherited or de novo variants.

Journal of medical genetics
2024

Loss-of-function variants in ZEB1 cause dominant anomalies of the corpus callosum with favourable cognitive prognosis.

Journal of medical genetics
2024

Tatton-Brown-Rahman syndrome: Novel pathogenic variants and new neuroimaging findings.

American journal of medical genetics. Part A
2023

Analysis of CT and MRI Manifestations of Joubert Syndrome.

Journal of the Belgian Society of Radiology
2023

RIT1 regulation of CNS lipids RIT1 deficiency Alters cerebral lipid metabolism and reduces white matter tract oligodendrocytes and conduction velocities.

Heliyon
2023

A novel syndrome associated with prenatal fentanyl exposure.

Genetics in medicine open
2023

Advanced Optical Microscopy: Unveiling Functional Insights Regarding a Novel PPP2R1A Variant and Its Unreported Phenotype.

International journal of molecular sciences
2023

MAST1-related mega-corpus-callosum syndrome with central hypogonadism.

European journal of medical genetics
2023

Incidence of Hearing Loss in Corpus Callosum Agenesis.

Otology &amp; neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
2024

Syndrome of megalencephaly, mega corpus callosum, and complete lack of motor development: an unusual case and a literature review.

Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
2023

Modulation of Plasmatic Matrix Metalloprotease 9: A Promising New Tool for Understanding the Variable Clinical Responses of Patients with Cystic Fibrosis to Cystic Fibrosis Transmembrane Conductance Regulator Modulators.

International journal of molecular sciences
2023

Prenatal diagnosis of lanosterol synthase deficiency: Fetal ultrasound findings as a window on family genetics.

European journal of medical genetics

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Referências e fontes

Bases de dados externas citadas neste artigo

Publicações científicas

Artigos indexados no PubMed ligados a esta doença no grafo RarasNet — título, periódico e PMID direto da fonte, sem intermediação de IA.

  1. Clinical, Neuroimaging and Video Electroencephalography Findings in Children With Congenital Zika Syndrome: An Analysis From a Neurorehabilitation Centre.
    International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience· 2026· PMID 41839214mais citado
  2. Case Report: A female case of X-linked intellectual disability syndrome type 34 caused by a NONO frameshift variant and literature review.
    Frontiers in pediatrics· 2026· PMID 41727761mais citado
  3. Bi-allelic variants in FSD1L cause a neurodevelopmental disorder overlapping with L1 syndrome.
    American journal of human genetics· 2026· PMID 41720098mais citado
  4. Neurological Consequences of Infantile Vitamin B12 Deficiency - A Prospective Cohort Study.
    Pediatric neurology· 2026· PMID 41653777mais citado
  5. Systematic analysis of homozygous autosomal copy number losses in exomes improves diagnostic yield and uncovers ultra-rare recessive disorders.
    medRxiv : the preprint server for health sciences· 2026· PMID 41646768mais citado
  6. A rare variant of USP9X associated with female-restricted X-linked syndromic intellectual disability.
    Mol Biol Rep· 2025· PMID 41240171recente
  7. Some novel causes and clinical characteristics of reversible splenial lesion syndrome- found in children.
    Neurol Sci· 2025· PMID 41066056recente
  8. Pituitary Gland Duplication Syndrome: An International Imaging Analysis.
    AJNR Am J Neuroradiol· 2025· PMID 39393841recente
  9. Agenesis of Corpus Callosum, Malformations of Cortical Development, Duodenal Atresia and Fetal Growth Restriction: Prenatal Markers for Zhu-Tokita-Takenouchi-Kim Syndrome.
    Prenat Diagn· 2024· PMID 39223738recente

Bases de dados e fontes oficiais

Identificadores e referências canônicas usadas para montar este verbete.

  1. ORPHA:171703(Orphanet)
  2. MONDO:0015745(MONDO)
  3. GARD:20125(GARD (NIH))
  4. Variantes catalogadas(ClinVar)
  5. Busca completa no PubMed(PubMed)
  6. Q55785687(Wikidata)

Dados compilados pelo RarasNet a partir de fontes abertas (Orphanet, OMIM, MONDO, PubMed/EuropePMC, ClinicalTrials.gov, DATASUS, PCDT/MS). Este conteúdo é informativo e não substitui avaliação médica.

Conteúdo mantido por Agente Raras · Médicos e pesquisadores podem colaborar

Microcefalia - polimicrogiria - agenesia do corpo caloso
Compêndio · Raras BR

Microcefalia - polimicrogiria - agenesia do corpo caloso

ORPHA:171703 · MONDO:0015745
Prevalência
<1 / 1 000 000
Casos
4 casos conhecidos
Herança
Autosomal recessive
CID-10
Q04.3 · Outras deformidades por redução do encéfalo
Início
Antenatal, Neonatal
Prevalência
0.0 (Worldwide)
MedGen
UMLS
C4750772
Wikidata
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