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A rare multiple congenital anomalies syndrome characterized by mild to severe intellectual disability, a distinctive facial gestalt (blepharophimosis, maxillary hypoplasia, telecanthus, microtia and atresia of the external auditory meatus) as well as skeletal and articular abnormalities (e.g. camptodactyly of the fingers, cutaneous syndactyly, talipes equinovarus, flexion contractures of the proximal interphalangeal joints, hip or elbow subluxation, joint laxity). Affected individuals also present neonatal hypotonia, variable respiratory manifestations, chronic feeding difficulties and gray matter heterotopia.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for van Maldergem syndrome.
5 publications have been identified in PubMed for van Maldergem syndrome. Research spans Review / Meta-Analysis (50%), Case Report / Case Series (25%), and Basic Science / Preclinical (25%).
Byerly K (2026). [PMID: 41972678](https://pubmed.ncbi.nlm.nih.gov/41972678/). *Cells*. [Basic Science / Preclinical]
Rosenblum J (2025). [PMID: 39462795](https://pubmed.ncbi.nlm.nih.gov/39462795/). *Clin Genet*. [Review / Meta-Analysis]
Wang Y (2025). [PMID: 40797481](https://pubmed.ncbi.nlm.nih.gov/40797481/). *Medicine (Baltimore)*. [Case Report / Case Series]
Brenner E (2025). [PMID: 41439975](https://pubmed.ncbi.nlm.nih.gov/41439975/). *Cells*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 18, 2026, 5:57 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center