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X-linked form of lethal multiple pterygium syndrome.
Features include: Epicanthus, Malignant hyperthermia, Pulmonary hypoplasia, and Flexion contracture and 21 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 3 | Joint dislocation, Increased susceptibility to fractures, Vertebral fusion |
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for X-linked lethal multiple pterygium syndrome.
3 publications have been identified in PubMed for X-linked lethal multiple pterygium syndrome. Kisho has analyzed 2 by research type. Research spans Review / Meta-Analysis (50%) and Case Report / Case Series (50%).
El Gazzane S (2025). [PMID: 40144631](https://pubmed.ncbi.nlm.nih.gov/40144631/). *Clin Med Insights Case Rep*. [Case Report / Case Series]
Leao MB (2025). [PMID: 40152138](https://pubmed.ncbi.nlm.nih.gov/40152138/). *J Clin Ultrasound*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 4:30 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about X-linked lethal multiple pterygium syndrome
3 |
Cleft palate, Abnormal facial shape, Cleft upper lip |
Lungs and breathing | 1 | Pulmonary hypoplasia |
Muscles | 1 | Flexion contracture |
Arms and legs | 1 | Short finger |
Pregnancy and birth | 1 | Fetal akinesia sequence |
Heart and blood vessels | 1 | Hypoplastic heart |
Brain and nerves | 1 | Depressed nasal ridge |
Growth and development | 1 | Intrauterine growth retardation |