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Start free with EleplanAutosomal dominant prognathism
ORPHA:2964Malformation syndrome
What it is
A rare, genetic, developmental defect during embryogenesis disorder characterized by abnormal forward projection of the mandible beyond the standard relation to the cranial base, with lower incisors often overlapping the upper incisors, that is inherited in an autosomal dominant manner. Association with mildly everted lower eyelids, flat malar area, thickened lower lip and craniosynostosis has been reported.
Key facts
- Age of onset
- Neonatal
- Inheritance
- Autosomal dominant
- Classified as
- Malformation syndrome
Signs and symptoms
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
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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