A hipoplasia renal é um problema de formação em que um ou ambos os rins (seja um rim só, unilateral, ou os dois, bilateral) têm um número insuficiente de néfrons e podem ser menores que o normal. A oligomeganefronia é uma forma grave de hipoplasia, onde a quantidade de néfrons é reduzida em 80% e os néfrons restantes ficam visivelmente maiores do que o normal.
Introdução
O que você precisa saber de cara
A hipoplasia renal é um problema de formação em que um ou ambos os rins (seja um rim só, unilateral, ou os dois, bilateral) têm um número insuficiente de néfrons e podem ser menores que o normal. A oligomeganefronia é uma forma grave de hipoplasia, onde a quantidade de néfrons é reduzida em 80% e os néfrons restantes ficam visivelmente maiores do que o normal.
Escala de raridade
<1/50kMuito rara
1/20kRara
1/10kPouco freq.
1/5kIncomum
1/2k
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Sinais e sintomas
O que aparece no corpo e com que frequência cada sintoma acontece
Partes do corpo afetadas
+ 19 sintomas em outras categorias
Características mais comuns
Os sintomas variam de pessoa para pessoa. Abaixo estão as 45 características clínicas mais associadas, ordenadas por frequência.
Linha do tempo da pesquisa
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Genética e causas
O que está alterado no DNA e como passa nas famílias
Genes associados
2 genes identificados com associação a esta condição. Padrão de herança: Autosomal dominant, Not applicable.
Transcription factor that may have a role in kidney cell differentiation (PubMed:24676634). Has a critical role in the development of the urogenital tract, the eyes, and the CNS
Nucleus
Papillorenal syndrome
An autosomal dominant disorder characterized by both ocular and renal anomalies, but may also include vesicoureteral reflux, high frequency hearing loss, central nervous system anomalies, and/or genital anomalies. Eye anomalies in this disorder consist of a wide and sometimes excavated dysplastic optic disk with the emergence of the retinal vessels from the periphery of the disk, designated optic nerve coloboma or 'morning glory' anomaly. Associated findings may include a small corneal diameter, retinal coloboma, scleral staphyloma, optic nerve cyst, microphthalmia, and pigmentary macular dysplasia. The kidneys are small and abnormally formed (renal hypodysplasia), and have fewer than the normal number of glomeruli, which are enlarged (oligomeganephronia). These ocular and renal anomalies result in decreased visual acuity and retinal detachment, as well as hypertension, proteinuria, and renal insufficiency that frequently progresses to end-stage renal disease.
Transcription factor which binds the DNA sequence 5'-TGATTGAT-3' as part of a heterodimer with HOX proteins such as HOXA1, HOXA5, HOXB7 and HOXB8 (PubMed:9191052). Binds to the DNA sequence 5'-TGATTGAC-3' in complex with a nuclear factor which is not a class I HOX protein (PubMed:9191052). Has also been shown to bind the DNA sequence 5'-ATCAATCAA-3' cooperatively with HOXA5, HOXB7, HOXB8, HOXC8 and HOXD4 (PubMed:7791786, PubMed:8327485). Acts as a transcriptional activator of PF4 in complex with
Nucleus
Congenital anomalies of kidney and urinary tract syndrome with or without hearing loss, abnormal ears, or developmental delay
An autosomal dominant disorder characterized by variable congenital anomalies of the kidney and urinary tract, sometimes resulting in renal dysfunction or failure, dysmorphic facial features, and abnormalities of the outer ear. Most patients have hearing loss, and some may have global developmental delay.
Variantes genéticas (ClinVar)
643 variantes patogênicas registradas no ClinVar.
Classificação de variantes (ClinVar)
Distribuição de 11 variantes classificadas pelo ClinVar.
Vias biológicas (Reactome)
6 vias biológicas associadas aos genes desta condição.
Diagnóstico
Os sinais que médicos procuram e os exames que confirmam
Tratamento e manejo
Remédios, cuidados de apoio e o que precisa acompanhar
Onde tratar no SUS
Hospitais de referência no Brasil e o protocolo oficial do SUS (PCDT)
🇧🇷 Atendimento SUS — Hipoplasia renal
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Morphometric analysis of retroperitoneal organs in individuals with unilateral congenital renal agenesis and renal hypoplasia.
Our aim was to determine the changing anatomy of the retroperitoneal organs in the Unilateral Congenital Renal Agenesis (UCRA) and Renal Hypoplasia (RH) groups and to investigate the presence of morphological biomarkers by evaluating the functional capacity of the kidney in the patient groups. The study was conducted retrospectively at Istanbul Dr. Lütfi Kırdar City Hospital, in collaboration with the Departments of Radiology, Nephrology and Anatomy. CT images of individuals with UCRA and RH followed in the nephrology clinic were retrospectively reviewed and anatomical-topographic evaluations were performed. Biomarkers indicating renal function were obtained from laboratory test results. Statistical significance was accepted as p<0.05. The study included 18 individuals in the agenesis group, 30 in the hypoplasia group, and 25 in the control group. Compensatory hypertrophy was significantly observed in all renal morphometric measurements in the healthy side kidney. It was observed that the estimated glomerular filtration rate (eGFR) decreased from the control group to the agenesis group. The anteroposterior diameter of the inferior vena cava was narrower in individuals with CAKUT (n=48) than in controls (n=25) (CAKUT: 14.50±3.83, Control 17.10±3.80, p=0.007). Cortex thickness was positively correlated with eGFR and negatively correlated with creatinine in both the UCRA group and the HP group. The cortex thickness/mediolateral diameter ratio was negatively correlated with urea, uric acid, creatinine and positively correlated with eGFR. A narrowing of the VCI-AP diameter was notable in patients with CAKUT. Cortical thickness was considered important in the assessment of renal function, and the ratio of cortical thickness to mediolateral diameter (Cx/ML) could be used as a potential reference.
Meier-Gorlin syndrome due to a recurrent DONSON variant in a Turkish family: first report of thumb aplasia and long-term growth data.
Meier-Gorlin syndrome (MGORS) is a rare primordial dwarfism characterized by microtia, patellar hypoplasia/aplasia, and short stature. Additional features may include skeletal, respiratory, urogenital, and endocrine abnormalities. 13 genes have been implicated, with DONSON, essential for replication fork stability and intra-S phase checkpoint activation, being the most recently identified. Only six patients with DONSON-related MGORS have been reported. This study expands the phenotype by presenting long-term follow-up and prenatal data in two affected siblings. The index patient, a 10-year-old male, had short stature, microcephaly, microtia, craniofacial features, hearing loss, patellar aplasia, and genitourinary anomalies. Despite an early growth delay, his height progressively improved without intervention. Whole-exome sequencing revealed a homozygous pathogenic c.631C>T p.(Arg211Cys) variant in DONSON (NM_017613.3). Following genetic counseling, the family declined prenatal testing in a subsequent pregnancy complicated by intrauterine growth restriction. The newborn female sibling carried the same variant and displayed DONSON-related MGORS features, including the first reported case of thumb aplasia. Additional findings in the family included renal hypoplasia, 2-4 toe syndactyly, and hypospadias. This is the third report of DONSON c.631C>T p.(Arg211Cys) in Turkish patients. While the recurrence in the same population suggests a founder effect, haplotype-based analysis is required. Thumb aplasia expands the known phenotype of DONSON-related MGORS, and the observed moderate course of growth retardation offers prognostic value. These findings highlight the importance of including DONSON in MGORS gene panels, considering population-specific variants, and systematically documenting rare phenotypic features to improve diagnosis, follow-up, and genetic counseling.
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Bladder duplication is a rare congenital anomaly, seldom reported in adults. We describe a young male presenting with recurrent urinary symptoms and lower abdominal pain. Imaging (ultrasound, CT urogram, MRI) revealed a complete sagittal septum dividing the bladder into 2 cavities with cystolithiasis, along with a hypoplastic left kidney, vesicoureteral junction (VUJ) diverticulum, partial sacral hypoplasia, and hypoplastic prostate and seminal vesicles. The patient underwent septum resection and stone removal, leading to symptom resolution. This case underscores the importance of considering congenital anomalies in adult urological presentations and highlights the role of comprehensive imaging in diagnosis and management.
13q Deletion Syndrome Presenting with Lymphopenia Detected Through Newborn Screening for Primary Immunodeficiencies.
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Unilateral atrophic kidney (UAK) could be related to many etiologies that can cause chronic kidney disease in adults. There is limited data on the long-term outcome of adults with UAK in the literature. This study included 199 adult patients with UAK. The etiology, baseline clinical/laboratory, and radiological findings were evaluated. Composite primary outcomes (CPO) (chronic kidney disease stage 5 or doubling of serum creatinine) and secondary outcomes (new-onset proteinuria (>0.5 g/day or g/g) or >50% increase in proteinuria level according to baseline, mortality, and nephrectomy requirement during follow-up) were evaluated in 166 patients with at least 3 months of follow-up. Of 199 patients, 57.3% were female. The mean age at presentation was 44.4 years. Right and left kidney atrophy rates were 51.8% and 48.2%, respectively. Among the known etiologies, the most common was chronic pyelonephritis (17.1%, n = 34). Of 166 patients, 19 had a CPO. Patients with CPO had higher rates of hypertension (p = 0.033), proteinuria (p < 0.001), and renal artery stenosis. Baseline systolic blood pressure (p = 0.004) and serum creatinine (p < 0.001) were higher, and baseline eGFR (p < 0.001) and serum albumin (p = 0.001) were lower in these patients than in patients without CPO. Multivariate logistic regression analysis showed that baseline creatinine (p < 0.001), serum albumin (p = 0.034), and renal artery stenosis (p = 0.015) were independent risk factors for CPO. Higher baseline serum creatinine and lower serum albumin levels were associated with poor renal prognosis in adult patients with UAK. Also, UAK due to renal artery stenosis might be associated with worse outcomes than UAK related to other etiologies.
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[Clinical and genetic analysis of children with Silver-Russell syndrome].
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Nephron[Computed tomography and positron emission tomography with 18F-FDG can help in the differential diagnosis of kidney hypoplasia and scarring].
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Clinical hypertensionDiverse phenotypes in children with PAX2-related disorder.
Molecular genetics & genomic medicineSON haploinsufficiency causes impaired pre-mRNA splicing of CAKUT genes and heterogeneous renal phenotypes.
Kidney international[Congenital abnormalities of the optic disc].
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Taiwanese journal of obstetrics & gynecologyUnilateral renal artery stenosis presented with hyponatremic-hypertensive syndrome - case report and literature review.
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CEN case reports[Zinner's syndrome: A case report].
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Schweizer Archiv fur TierheilkundeThree New PAX2 Gene Mutations in Patients with Papillorenal Syndrome.
Neuro-ophthalmology (Aeolus Press)[Infrequent mutation in renal-coloboma syndrome: case report and review].
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Pediatrics international : official journal of the Japan Pediatric SocietyRethinking genotype-phenotype correlations in papillorenal syndrome: a case report on an unusual congenital camptodactyly and skeletal deformity with a heterogeneous PAX2 mutation of hexanucleotide duplication.
GeneDe novo, deleterious sequence variants that alter the transcriptional activity of the homeoprotein PBX1 are associated with intellectual disability and pleiotropic developmental defects.
Human molecular genetics[Renal abnormalities in Down syndrome: A review].
Archives de pediatrie : organe officiel de la Societe francaise de pediatrieDoxycycline treatment in dialysis related amyloidosis: discrepancy between antalgic effect and inflammation, studied with FDG-positron emission tomography: a case report.
BMC nephrologyOutcomes of renal replacement therapy in boys with prune belly syndrome: findings from the ESPN/ERA-EDTA Registry.
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Development (Cambridge, England)Constitutive Activation of Smoothened in the Renal Collecting Ducts Leads to Renal Hypoplasia, Hydronephrosis, and Hydroureter.
Cells, tissues, organsNovel splice mutation in LRP4 causes severe type of Cenani-Lenz syndactyly syndrome with oro-facial and skeletal symptoms.
European journal of medical geneticsTransient Fanconi syndrome in two preterm infants with hydronephrosis and urinary tract infection.
CEN case reportsOsteogenesis imperfecta complicated with renal hypoplasia leads to chronic kidney disease.
Pediatrics international : official journal of the Japan Pediatric SocietyPBX1 haploinsufficiency leads to syndromic congenital anomalies of the kidney and urinary tract (CAKUT) in humans.
Journal of medical geneticsUnusual cause of anemia in a child with end-stage renal disease: Questions.
Pediatric nephrology (Berlin, Germany)KILT (Kidney and IVC Abnormalities with Leg Thrombosis) Syndrome in a 41-Years-Old Man with Loin Pain and Fever.
Urology case reportsProgression of renal fibrosis in congenital CKD model rats with reduced number of nephrons.
Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische PathologieA case of a surviving co-twin diagnosed with porencephaly and renal hypoplasia after a single intrauterine fetal death at 21 weeks of gestation in a monochorionic monoamniotic twin pregnancy.
Oxford medical case reportsSix2creFrs2α knockout mice are a novel model of renal cystogenesis.
Scientific reportsChronic kidney disease in the neonate: etiologies, management, and outcomes.
Seminars in fetal & neonatal medicineOsr1 Interacts Synergistically with Wt1 to Regulate Kidney Organogenesis.
PloS oneGata3 Hypomorphic Mutant Mice Rescued with a Yeast Artificial Chromosome Transgene Suffer a Glomerular Mesangial Cell Defect.
Molecular and cellular biologyInterstitial 1q23.3q24.1 deletion in a patient with renal malformation, congenital heart disease, and mild intellectual disability.
American journal of medical genetics. Part ADiverse Renal Phenotypes Observed in a Single Family with a Genetic Mutation in Paired Box Protein 2.
Case reports in nephrology and dialysisPartitioning-Defective 1a/b Depletion Impairs Glomerular and Proximal Tubule Development.
Journal of the American Society of Nephrology : JASNROBO2 gene variants in children with primary nonsyndromic vesicoureteral reflux with or without renal hypoplasia/dysplasia.
Pediatric researchMulti-modality imaging review of congenital abnormalities of kidney and upper urinary tract.
World journal of radiologyRenal Function and Hematology in Rats with Congenital Renal Hypoplasia.
Comparative medicineOcular manifestations of X-linked dominant FAM58A mutation in toe syndactyly, telecanthus, anogenital, and renal malformations ('STAR') syndrome.
Ophthalmic geneticsOutcome after prenatal diagnosis of congenital anomalies of the kidney and urinary tract.
European journal of pediatrics[Acute colonic pseudo-obstruction (Ogilvie syndrome) post-renal transplant].
Boletin medico del Hospital Infantil de MexicoProrenin receptor is critical for nephron progenitors.
Developmental biologyUrogenital development in Pallister-Hall syndrome is disrupted in a cell-lineage-specific manner by constitutive expression of GLI3 repressor.
Human molecular geneticsEndothelium Expression of Bcl-2 Is Essential for Normal and Pathological Ocular Vascularization.
PloS oneA novel mutation in two Hmong families broadens the range of STRA6-related malformations to include contractures and camptodactyly.
American journal of medical genetics. Part AThe MURCS Association: Mullerian Duct Aplasia, Renal Hypoplasia and Cervicothoracic Somite Dysplasia - A Case Report.
Mymensingh medical journal : MMJSuccessful Treatment of Transplant Renal Artery Thrombosis With Systemic Infusion of Recombinant-Tissue-Plasminogen Activator After Renal Transplant.
Experimental and clinical transplantation : official journal of the Middle East Society for Organ TransplantationA mouse model of Townes-Brocks syndrome expressing a truncated mutant Sall1 protein is protected from acute kidney injury.
American journal of physiology. Renal physiologyLaparoscopic simple nephrectomy patient with situs inversus totalis and left renal hypoplasia: A case report.
Canadian Urological Association journal = Journal de l'Association des urologues du CanadaLDL Receptor-Related Protein 6 Modulates Ret Proto-Oncogene Signaling in Renal Development and Cystic Dysplasia.
Journal of the American Society of Nephrology : JASNAssessment of the HNF1B Score as a Tool to Select Patients for HNF1B Genetic Testing.
NephronA paraganglioma in a hypertensive patient with unilateral renal hypoplasia.
Acta medica OkayamaSirenomelia: a review of embryogenic theories and discussion of the differences from caudal regression syndrome.
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal ObstetriciansAssociações
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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.
- Morphometric analysis of retroperitoneal organs in individuals with unilateral congenital renal agenesis and renal hypoplasia.
- Meier-Gorlin syndrome due to a recurrent DONSON variant in a Turkish family: first report of thumb aplasia and long-term growth data.
- Urinary bladder duplication in an adult male with associated genitourinary and spinal malformations: Multimodal imaging and surgical confirmation in a complex urogenital case.
- 13q Deletion Syndrome Presenting with Lymphopenia Detected Through Newborn Screening for Primary Immunodeficiencies.
- Prognostic factors for long-term outcomes of unilateral atrophic kidneys in adult patients: a single-center retrospective cohort study.
- Cardiovascular Defects as the Initial Presentation in Two Prenatal Cases of De Novo Heterozygous PBX1 Variants.
- [Clinical and genetic analysis of children with Silver-Russell syndrome].
- Atypical presentation of HNF1β gene mutation mimicking type 2 diabetes: Case report and literature review.
Bases de dados e fontes oficiais
Identificadores e referências canônicas usadas para montar este verbete.
- ORPHA:93101(Orphanet)
- MONDO:0019637(MONDO)
- GARD:19172(GARD (NIH))
- Variantes catalogadas(ClinVar)
- Busca completa no PubMed(PubMed)
- Q24284111(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
