Raras
Buscar doenças, sintomas, genes...
Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento
ORPHA:562528CID-10 · Q87.8OMIM 616266DOENÇA RARA

Síndrome dismórfica/anomalias congênitas múltiplas rara com deficiência intelectual caracterizada por contraturas congênitas graves dos membros e da face, hipotonia, dificuldade respiratória neonatal e atraso global no desenvolvimento. As características faciais dismórficas incluem fissuras palpebrais inclinadas para baixo, ponte nasal larga, narinas grandes, filtro longo e sulcos nasolabiais profundos, entre outros. Também foram relatadas deformidades dos membros (camptodactilia, pé torto), pescoço curto, escoliose, bem como convulsões. A ressonância magnética cerebral pode mostrar atrofia cerebral e cerebelar em alguns casos.

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Introdução

O que você precisa saber de cara

📋

Síndrome dismórfica/anomalias congênitas múltiplas rara com deficiência intelectual caracterizada por contraturas congênitas graves dos membros e da face, hipotonia, dificuldade respiratória neonatal e atraso global no desenvolvimento. As características faciais dismórficas incluem fissuras palpebrais inclinadas para baixo, ponte nasal larga, narinas grandes, filtro longo e sulcos nasolabiais profundos, entre outros. Também foram relatadas deformidades dos membros (camptodactilia, pé torto), pescoço curto, escoliose, bem como convulsões. A ressonância magnética cerebral pode mostrar atrofia cerebral e cerebelar em alguns casos.

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
14
pacientes catalogados
Início
Antenatal
+ neonatal
🏥
SUS: Cobertura mínimaScore: 35%
Centros em: PA, PR, SC, RS, ES +10CID-10: Q87.8
🇧🇷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

😀
Face
12 sintomas
🧠
Neurológico
11 sintomas
🦴
Ossos e articulações
8 sintomas
💪
Músculos
5 sintomas
🫃
Digestivo
5 sintomas
🫁
Pulmão
3 sintomas

+ 18 sintomas em outras categorias

Características mais comuns

100%prev.
HP:0003577
Frequência: 14/14
100%prev.
Narina aumentada
Frequente (79-30%)
100%prev.
Atraso motor
Frequente (79-30%)
100%prev.
Camptodactilia
Muito frequente (99-80%)
100%prev.
Filtro longo
Frequente (79-30%)
100%prev.
Atraso no desenvolvimento da fala e da linguagem
Frequente (79-30%)
66sintomas
Muito frequente (22)
Frequente (17)
Ocasional (19)
Muito raro (6)
Sem dados (2)

Os sintomas variam de pessoa para pessoa. Abaixo estão as 66 características clínicas mais associadas, ordenadas por frequência.

HP:0003577
Frequência: 14/14100%
Narina aumentadaEnlarged naris
Frequente (79-30%)100%
Atraso motorMotor delay
Frequente (79-30%)100%
CamptodactiliaCamptodactyly
Muito frequente (99-80%)100%
Filtro longoLong philtrum
Frequente (79-30%)100%

Linha do tempo da pesquisa

Publicações por ano — veja quando o interesse científico cresceu
Anos de pesquisa1
Últimos 10 anos200publicações
Pico2025103 papers
Linha do tempo
2025Hoje · 2026
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 dominant.

NALCNSodium leak channel NALCNDisease-causing germline mutation(s) inRestrito
FUNÇÃO

Voltage-gated ion channel responsible for the resting Na(+) permeability that controls neuronal excitability (PubMed:17448995, PubMed:31409833). NALCN channel functions as a multi-protein complex, which consists at least of NALCN, NALF1, UNC79 and UNC80 (PubMed:32494638, PubMed:33203861). NALCN is the voltage-sensing, pore-forming subunit of the NALCN channel complex (PubMed:17448995). NALCN channel complex is constitutively active and conducts monovalent cations but is blocked by physiological

LOCALIZAÇÃO

Cell membrane

VIAS BIOLÓGICAS (1)
Stimuli-sensing channels
MECANISMO DE DOENÇA

Hypotonia, infantile, with psychomotor retardation and characteristic facies 1

A neurodegenerative disease characterized by variable degrees of hypotonia, speech impairment, intellectual disability, pyramidal signs, subtle facial dysmorphism, and chronic constipation. Some patients manifest neuroaxonal dystrophy, optic atrophy, unmyelinated axons and spheroid bodies in tissue biopsies.

VIAS REACTOME (1)
EXPRESSÃO TECIDUAL(Tecido-específico)
Cérebro - Hemisfério cerebelar
17.0 TPM
Cerebelo
14.6 TPM
Brain Spinal cord cervical c-1
12.0 TPM
Brain Frontal Cortex BA9
11.4 TPM
Pituitária
10.8 TPM
OUTRAS DOENÇAS (5)
hypotonia, infantile, with psychomotor retardation and characteristic facies 1congenital contractures of the limbs and face, hypotonia, and developmental delaydigitotalar dysmorphismSheldon-hall syndrome
HGNC:19082UniProt:Q8IZF0

Variantes genéticas (ClinVar)

530 variantes patogênicas registradas no ClinVar.

🧬 NALCN: NM_052867.4(NALCN):c.517C>T (p.Arg173Ter) ()
🧬 NALCN: NM_052867.4(NALCN):c.4551C>A (p.Tyr1517Ter) ()
🧬 NALCN: GRCh38/hg38 13q31.3-34(chr13:89779269-114338054)x1 ()
🧬 NALCN: NC_000013.10:g.(101748032_101753134)_(101753240_101755522)del ()
🧬 NALCN: NM_052867.4(NALCN):c.3592G>A (p.Gly1198Ser) ()
Ver todas no ClinVar

Vias biológicas (Reactome)

1 via biológica associada aos genes desta condição.

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 — Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento

Centros de Referência SUS

37 centros habilitados pelo SUS para Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento

Centros para Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento

Detalhes dos centros

Hospital Universitário Prof. Edgard Santos (HUPES)

R. Dr. Augusto Viana, s/n - Canela, Salvador - BA, 40110-060 · CNES 0003808

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital Infantil Albert Sabin

R. Tertuliano Sales, 544 - Vila União, Fortaleza - CE, 60410-794 · CNES 2407876

Serviço de Referência

Rota
Anomalias CongênitasDeficiência Intelectual

Hospital Infantil Albert Sabin

R. Tertuliano Sales, 544 - Vila União, Fortaleza - CE, 60410-794 · CNES 2407876

Serviço de Referência

Rota
Anomalias CongênitasDeficiência Intelectual

Hospital de Apoio de Brasília (HAB)

AENW 3 Lote A Setor Noroeste - Plano Piloto, Brasília - DF, 70684-831 · CNES 0010456

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Apoio de Brasília (HAB)

AENW 3 Lote A Setor Noroeste - Plano Piloto, Brasília - DF, 70684-831 · CNES 0010456

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Estadual Infantil e Maternidade Alzir Bernardino Alves (HIABA)

Av. Min. Salgado Filho, 918 - Soteco, Vila Velha - ES, 29106-010 · CNES 6631207

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Estadual Infantil e Maternidade Alzir Bernardino Alves (HIABA)

Av. Min. Salgado Filho, 918 - Soteco, Vila Velha - ES, 29106-010 · CNES 6631207

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital das Clínicas da UFG

Rua 235 QD. 68 Lote Área, Nº 285, s/nº - Setor Leste Universitário, Goiânia - GO, 74605-050 · CNES 2338424

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital Universitário da UFJF

R. Catulo Breviglieri, Bairro - s/n - Santa Catarina, Juiz de Fora - MG, 36036-110 · CNES 2297442

Atenção Especializada

Rota
Anomalias Congênitas

Hospital das Clínicas da UFMG

Av. Prof. Alfredo Balena, 110 - Santa Efigênia, Belo Horizonte - MG, 30130-100 · CNES 2280167

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital das Clínicas da UFMG

Av. Prof. Alfredo Balena, 110 - Santa Efigênia, Belo Horizonte - MG, 30130-100 · CNES 2280167

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário Julio Müller (HUJM)

R. Luis Philippe Pereira Leite, s/n - Alvorada, Cuiabá - MT, 78048-902 · CNES 2726092

Atenção Especializada

Rota
Anomalias Congênitas

Hospital Universitário João de Barros Barreto

R. dos Mundurucus, 4487 - Guamá, Belém - PA, 66073-000 · CNES 2337878

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário João de Barros Barreto

R. dos Mundurucus, 4487 - Guamá, Belém - PA, 66073-000 · CNES 2337878

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário Lauro Wanderley (HULW)

R. Tabeliao Estanislau Eloy, 585 - Castelo Branco, João Pessoa - PB, 58050-585 · CNES 0002470

Atenção Especializada

Rota
Anomalias Congênitas

Instituto de Medicina Integral Prof. Fernando Figueira (IMIP)

R. dos Coelhos, 300 - Boa Vista, Recife - PE, 50070-902 · CNES 0000647

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Instituto de Medicina Integral Prof. Fernando Figueira (IMIP)

R. dos Coelhos, 300 - Boa Vista, Recife - PE, 50070-902 · CNES 0000647

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Pequeno Príncipe

R. Des. Motta, 1070 - Água Verde, Curitiba - PR, 80250-060 · CNES 3143805

Serviço de Referência

Rota
Anomalias CongênitasDeficiência Intelectual

Hospital Pequeno Príncipe

R. Des. Motta, 1070 - Água Verde, Curitiba - PR, 80250-060 · CNES 3143805

Serviço de Referência

Rota
Anomalias CongênitasDeficiência Intelectual

Hospital Universitário Regional de Maringá (HUM)

Av. Mandacaru, 1590 - Parque das Laranjeiras, Maringá - PR, 87083-240 · CNES 2216108

Atenção Especializada

Rota
Anomalias Congênitas

Hospital de Clínicas da UFPR

R. Gen. Carneiro, 181 - Alto da Glória, Curitiba - PR, 80060-900 · CNES 2364980

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas da UFPR

R. Gen. Carneiro, 181 - Alto da Glória, Curitiba - PR, 80060-900 · CNES 2364980

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário Pedro Ernesto (HUPE-UERJ)

Blvd. 28 de Setembro, 77 - Vila Isabel, Rio de Janeiro - RJ, 20551-030 · CNES 2280221

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira (IFF/Fiocruz)

Av. Rui Barbosa, 716 - Flamengo, Rio de Janeiro - RJ, 22250-020 · CNES 2269988

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira (IFF/Fiocruz)

Av. Rui Barbosa, 716 - Flamengo, Rio de Janeiro - RJ, 22250-020 · CNES 2269988

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital São Lucas da PUCRS

Av. Ipiranga, 6690 - Jardim Botânico, Porto Alegre - RS, 90610-000 · CNES 2232928

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital de Clínicas de Porto Alegre (HCPA)

Rua Ramiro Barcelos, 2350 Bloco A - Av. Protásio Alves, 211 - Bloco B e C - Santa Cecília, Porto Alegre - RS, 90035-903 · CNES 2237601

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas de Porto Alegre (HCPA)

Rua Ramiro Barcelos, 2350 Bloco A - Av. Protásio Alves, 211 - Bloco B e C - Santa Cecília, Porto Alegre - RS, 90035-903 · CNES 2237601

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital Universitário da UFSC (HU-UFSC)

R. Profa. Maria Flora Pausewang - Trindade, Florianópolis - SC, 88036-800 · CNES 2560356

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo

Hospital das Clínicas da FMUSP

R. Dr. Ovídio Pires de Campos, 225 - Cerqueira César, São Paulo - SP, 05403-010 · CNES 2077485

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital das Clínicas da FMUSP

R. Dr. Ovídio Pires de Campos, 225 - Cerqueira César, São Paulo - SP, 05403-010 · CNES 2077485

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Base de São José do Rio Preto

Av. Brg. Faria Lima, 5544 - Vila Sao Jose, São José do Rio Preto - SP, 15090-000 · CNES 2079798

Atenção Especializada

Rota
Anomalias Congênitas

Hospital de Clínicas da UNICAMP

R. Vital Brasil, 251 - Cidade Universitária, Campinas - SP, 13083-888 · CNES 2748223

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas da UNICAMP

R. Vital Brasil, 251 - Cidade Universitária, Campinas - SP, 13083-888 · CNES 2748223

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas de Ribeirão Preto (HCRP-USP)

R. Ten. Catão Roxo, 3900 - Vila Monte Alegre, Ribeirão Preto - SP, 14015-010 · CNES 2082187

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

Hospital de Clínicas de Ribeirão Preto (HCRP-USP)

R. Ten. Catão Roxo, 3900 - Vila Monte Alegre, Ribeirão Preto - SP, 14015-010 · CNES 2082187

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do MetabolismoDeficiência Intelectual

UNIFESP / Hospital São Paulo

R. Napoleão de Barros, 715 - Vila Clementino, São Paulo - SP, 04024-002 · CNES 2688689

Serviço de Referência

Rota
Anomalias CongênitasErros Inatos do Metabolismo
Sobre os centros SUS: Estes centros são habilitados pelo Ministério da Saúde como Serviços de Referência em Doenças Raras ou Serviços de Atenção Especializada. O atendimento é pelo SUS, com encaminhamento da rede de atenção básica.

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

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Publicações mais relevantes

Timeline de publicações
0 papers (10 anos)
#1

Inferior wall ST-elevation myocardial infarction in a patient with a single coronary artery from the right coronary cusp trifurcating into the left anterior descending, left circumflex, and right coronary arteries: a rare coronary anomaly, case report.

European heart journal. Case reports2026 Mar

Abnormal origin of a coronary artery is a rare congenital condition that can significantly affect clinical outcomes especially when associated with acute coronary syndromes. Among these, the presence of a single coronary artery trifurcating from the right coronary cusp into all major coronary branches is exceptionally rare and poorly represented in the literature. A 35-year-old man presented with an inferior ST-elevation myocardial infarction. Emergency angiography revealed a single coronary artery arising from the right coronary cusp. The culprit was the right coronary artery. It was effectively treated with intravascular-guided percutaneous coronary intervention, and the remaining coronaries demonstrated normal flow, as shown in subsequent imaging. The patient recovered uneventfully, rehabilitated without complications. He was discharged on guideline directed medical therapy. Although the anomalous coronary anatomy was not the direct cause of infarction, it introduced significant procedural challenges that could have delayed or compromised revascularization. Our case highlights the importance of recognizing and anticipating coronary anomalies in acute settings. Multimodality imaging and anatomical classification systems help provide timely diagnosis, procedural planning, and risk assessment from a long-term perspective.

#2

Wernicke Encephalopathy Complicating a Distinctive POLG Phenotype With MNGIE-Like Features.

European journal of neurology2026 Mar

Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is an extremely rare autosomal recessive disease caused by variants in the thymidine phosphorylase gene (TYMP), primarily characterized by severe gastrointestinal and neurological symptoms. The complete phenotype of MNGIE has not been linked to any gene other than TYMP. We describe two identical twins who exhibited delayed psychomotor development, infantile bilateral cataract, congenital demyelinating polyneuropathy, and severe progressive gastrointestinal dysmotility with recurrent pseudo-obstruction episodes, along with diffuse supratentorial leukoencephalopathy that mainly overlaps with classic TYMP-related MNGIE. During the course of the disease, one patient developed Wernicke encephalopathy, triggered by chronic malnutrition related to recurrent gastrointestinal pseudo-obstruction. This patient later suffered from a catastrophic stroke-like episode, resulting in massive cerebral edema and brain death at the age of 38. Next-generation sequencing (NGS) using a custom-targeted mitochondrial gene panel identified two compound heterozygous variants in the POLG gene: the paternal variants p.Thr251Ile and p.Pro587Leu, occurring in cis, and the novel maternal variant p.Arg853Gly. Quantification of mtDNA by real-time PCR on skeletal muscle DNA detected significant depletion, but no multiple deletions were detected with mtDNA analysis by long-range PCR and Nanopore sequencing. These cases showed a very distinctive POLG phenotype, with some MNGIE-like features, expanding the clinical and genetic spectrum of the POLG-related diseases. Additionally, they highlighted the importance of monitoring for thiamine deficiency in mitochondrial patients with severe gastrointestinal dysmotility who experience sudden clinical deterioration.

#3

A systematic review and meta-analysis of Zika virus epidemiology.

Nature health2026

Zika virus (ZIKV), classified as a priority pathogen by the World Health Organization, is an Aedes-borne arbovirus that can cause neurological complications and birth defects in newborns of mothers infected during pregnancy. We conducted a systematic review of peer-reviewed studies reporting ZIKV epidemiological parameters, transmission models and outbreaks (PROSPERO CRD42023393345) to characterize its transmissibility, seroprevalence, risk factors, disease sequelae and natural history. We performed meta-analyses of the proportions of congenital Zika syndrome, pregnancy loss among ZIKV-infected mothers and symptomatic cases. We extracted information from 574 studies. Across 418 included studies assigned a high-quality score, we extracted 969 parameters, 127 outbreak records and 154 models. Using random-effects models, we estimated proportions of congenital Zika syndrome (4.65%, 95% confidence interval (CI): 3.38-6.67%), pregnancy loss (2.48%, 95% CI: 1.62-3.78%) and symptomatic cases (51.20%, 95% CI: 38.00-64.23%). Seroprevalence estimates (n = 354) were retrieved beyond South America and French Polynesia. Basic reproduction number estimates (n = 77) ranged between 1.12 and 7.4. We found 66 human epidemiological delay estimates, including the intrinsic incubation period (n = 11, range: 4-12.1 days), infectious period (n = 15, range: 3-50 days), extrinsic incubation period (n = 22, range: 5.1-24.2 days) and serial interval (n = 27, range: 7.4-32.9 days). These data are available in the R package 'epireview' (version 1.4.5). We provide a comprehensive systematic summary of ZIKV epidemiology, revealing large heterogeneities and inconsistencies in the reporting of parameter estimates, study designs and parameter definitions and underscoring the need for standardized epidemiological definitions.

#4

Expanding the Coffin-Siris syndrome spectrum: genetic, dysmorphic, and endocrine findings in eight cases.

European journal of pediatrics2026 Mar 08

This study aims to expand the spectrum of Coffin-Siris syndrome (CSS), a rare and heterogeneous disorder, by thoroughly discussing its genetic, dysmorphic, and endocrine features through new cases and contributing to the literature. Eight patients who were referred to the genetics clinic with various complaints and subsequently diagnosed with CSS through microarray or clinical exome sequencing analyses were included in the study. The dysmorphic, genetic, and endocrine characteristics of eight genetically confirmed patients were evaluated. The patients, aged between 5 months and 6 years at the time of referral, comprised four females and four males. The most common reasons for referral were developmental delay and dysmorphic features. All patients exhibited varying degrees of dysmorphic facial features. Hypertrichosis, a typical feature of the syndrome, was present in five patients. Another characteristic finding was mild hypoplasia of the terminal fifth phalanges, observed in patients 1, 2, and 6. Consistent with this, mild/subtle hypoplasia and/or slight positional changes of the fifth fingernails were noted in these patients, rather than overt nail anomalies. In our study, eight variants were identified, two of which were novel. In our cohort, pathological short stature was observed in three patients, while hypothyroidism, transient hypercalcemia, cryptorchidism, and recurrent fractures were each identified in one patient. All three patients with short stature had delayed bone age with head circumference and BMI <  - 2 SDS. Seven patients were diagnosed with ARID1B-related CSS type 1, while one patient was diagnosed with SMARCA4-related CSS type 4. Among the eight findings across patients, two were deletion-type copy-number variations (CNVs) identified by microarray analysis, and six were sequence variants: two frameshift, two splice-site, one nonsense, and one synonymous. Seven variants were classified as pathogenic and one as likely pathogenic. Family studies confirmed that the variants were de novo and validated their clinical relevance.  CSS is a clinically and genetically heterogeneous syndrome. Patients may present with highly variable features, and typical signs of the syndrome may not be observed in all cases. This study expands the clinical spectrum of this rare syndrome and contributes to its genetic spectrum with the identification of new variants. • Coffin-Siris syndrome (CSS) is a clinically and genetically heterogeneous neurodevelopmental disorder most commonly caused by variants in SWI/SNF (BAF) complex genes (e.g., ARID1B, SMARCA4) and characterized by dysmorphic features, developmental delay, hypertrichosis, and fifth-digit/nail anomalies. • Endocrine and growth-related manifestations can occur in CSS, but their frequency and phenotypic range vary across cohorts and require individualized clinical follow-up. • This case series of eight genetically confirmed CSS patients (7 ARID1B, 1 SMARCA4) expands the phenotypic spectrum by detailing dysmorphic findings together with endocrine features including pathological short stature with delayed bone age, hypothyroidism, transient hypercalcemia, cryptorchidism, and recurrent fractures. • We identified eight pathogenic/likely pathogenic variants, including two novel variants, and highlight that fifth digit/nail involvement may be subtle (mild terminal fifth phalanx hypoplasia and minor fifth nail changes) rather than overt.

#5

Child Neurology: Multiple Genetic Etiologies Causing Dandy-Walker Variant With Microcephaly, Epilepsy, and Global Developmental Delay.

Neurology2026 Apr 14

Dandy-Walker syndrome is typically characterized by near-complete cerebellar vermis agenesis, enlarged posterior fossa, and dilated fourth ventricle. By contrast, Dandy-Walker variant (DWv) shows milder features, typically characterized by partial agenesis of the cerebellar vermis, mild enlargement of the posterior fossa, and variable dilation of the fourth ventricle. Both conditions are usually associated with normal or enlarged head circumference. We report a 16-month-old girl presenting with congenital microcephaly, frequent seizures, and severe global developmental delay. Brain MRI revealed findings consistent with DWv, which did not explain the severity of her clinical symptoms or her microcephaly. Chromosomal microarray analysis revealed multiple regions of homozygosity on chromosome 11, indicating potential recessive inheritance; karyotype analysis and mitochondrial testing showed no clear etiology. Trio-based whole-exome sequencing identified a heterozygous variant (NM_021096.4:c.4891T>A/p.Phe1631Ile) in CACNA1I and a homozygous variant (NM_002335.4:c.1310C>T/p.Thr437Met) in LRP5. Variants in CACNA1I are associated with neurodevelopmental disorders, including epilepsy and developmental delay, while variants in LRP5 are linked to osteoporosis and microcephaly. Based on the clinical presentation and molecular findings, we hypothesize that both variants contributed to the patient's complex phenotype. This case highlights that in patients with unusually severe or atypical manifestations, the possibility of multiple genetic pathogenic contributions should be considered, and comprehensive genomic evaluation is essential for accurate diagnosis and management.

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American journal of medical genetics. Part A
2025

ITCH Deficiency Causing Immunodeficiency and Immune Dysregulation.

Pediatrics
2025

[Clinical features and variant spectrum of FGFR3-related disorders].

Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics
2025

Clinical and genetic analysis of Majeed syndrome caused by LPIN2 complex heterozygous mutation and literature review.

Frontiers in pediatrics
2025

Early-onset neutropenia and mixed phenotype in ADA2 deficiency: diagnostic and therapeutic challenges.

Frontiers in immunology
2025

Anesthetic Management of Progressive Deformity of Tracheal Cartilaginous Sleeve in a Pediatric Patient With Beare-Stevenson Syndrome: A Case Report.

Case reports in anesthesiology
2026

A rare anomaly of the Mullerian system: OHVIRA syndrome. Comprehensive literature review and report of seven cases.

Urology journal
2025

FGFR1-related congenital hypogonadotropic hypogonadism: a case report and literature review.

Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology

Associações

Organizações que acompanham esta doença — pra ter apoio e orientação

Ainda não temos associações cadastradas para Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento.

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Comunidades

Grupos ativos de quem convive com esta doença aqui no Raras

Ainda não existe comunidade no Raras para Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento

Pacientes, familiares e cuidadores se organizam em comunidades pra compartilhar experiências, fazer perguntas e se apoiar. Você pode ser o primeiro.

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Perguntas, dicas e experiências compartilhadas aqui na página

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Doenças relacionadas

Doenças com sintomas parecidos — ajudam quem ainda está buscando diagnóstico

Ordenadas pelo número de sintomas em comum.

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. Inferior wall ST-elevation myocardial infarction in a patient with a single coronary artery from the right coronary cusp trifurcating into the left anterior descending, left circumflex, and right coronary arteries: a rare coronary anomaly, case report.
    European heart journal. Case reports· 2026· PMID 41877722mais citado
  2. Wernicke Encephalopathy Complicating a Distinctive POLG Phenotype With MNGIE-Like Features.
    European journal of neurology· 2026· PMID 41841518mais citado
  3. A systematic review and meta-analysis of Zika virus epidemiology.
    Nature health· 2026· PMID 41800449mais citado
  4. Expanding the Coffin-Siris syndrome spectrum: genetic, dysmorphic, and endocrine findings in eight cases.
    European journal of pediatrics· 2026· PMID 41795723mais citado
  5. Child Neurology: Multiple Genetic Etiologies Causing Dandy-Walker Variant With Microcephaly, Epilepsy, and Global Developmental Delay.
    Neurology· 2026· PMID 41791021mais citado
  6. Mast cell mediators in hereditary angioedema.
    Orphanet J Rare Dis· 2026· PMID 41832580recente
  7. Prenatal Molecular Diagnosis of COL2A1-Associated Stickler Syndrome: Genotype-Phenotype Correlation in a Resource-Limited Healthcare Setting.
    Int J Mol Sci· 2026· PMID 41828453recente
  8. Platelet gene signatures detecting pulmonary artery stenosis in patients with pulmonary hypertension.
    Orphanet J Rare Dis· 2026· PMID 41827036recente
  9. The global impact of imiglucerase therapy in children with Gaucher disease types 1 and 3: a real-world analysis from the International Collaborative Gaucher Group Gaucher Registry.
    Orphanet J Rare Dis· 2026· PMID 41821052recente
  10. Monogenic lupus with SLC7A7 mutations: a retrospective study from a Chinese center.
    Orphanet J Rare Dis· 2026· PMID 41821046recente

Bases de dados e fontes oficiais

Identificadores e referências canônicas usadas para montar este verbete.

  1. ORPHA:562528(Orphanet)
  2. OMIM OMIM:616266(OMIM)
  3. MONDO:0014556(MONDO)
  4. GARD:16075(GARD (NIH))
  5. Variantes catalogadas(ClinVar)
  6. Busca completa no PubMed(PubMed)
  7. Q55784882(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

Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento
Compêndio · Raras BR

Síndrome de contraturas congênitas dos membros e da face-hipotonia-transtorno do desenvolvimento

ORPHA:562528 · MONDO:0014556
Prevalência
<1 / 1 000 000
Casos
14 casos conhecidos
Herança
Autosomal dominant
CID-10
Q87.8 · Outras síndromes com malformações congênitas especificadas, não classificadas em outra parte
Início
Antenatal, Neonatal
Prevalência
0.0 (Worldwide)
MedGen
UMLS
C4225398
Wikidata
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