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Start free with EleplanOromandibular-limb hypogenesis syndrome
ORPHA:2749Clinical group
Also called Oroacral syndrome
What it is
Oromandibular-limb hypogenesis syndromes (OLHS) are a group of dysmorphic complexes (including Charlie M syndrome, Hanhart syndrome and glossopalatine ankylosis) characterized by the association of severe asymmetric limb defects (primarily involving distal segments) and abnormalities of the oral cavity and mandible (hypoglossia, aglossia, micrognathia, glossopalatine ankylosis, cleft palate, and gingival anomalies).
Key facts
- Prevalence
- 1-9 / 1 000 000 (Europe)
- Age of onset
- Infancy, Neonatal
- Classified as
- Clinical group
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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