ectrodactyly-polydactyly syndrome
Findings
No curated finding names ectrodactyly-polydactyly syndrome yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A rare, genetic, congenital limb malformation disorder characterized by hypoplasia or absence of central digital rays of the hands and/or feet and the presence of one or more, unilateral or bilateral, supernumerary digits on postaxial rays, ranging from hypoplastic digits devoid of osseous structures to complete duplication of a digit. Cutaneous syndactyly, symphalangism and clinodactyly have also been reported. There have been no further descriptions in the literature since 1982.
Definition from the Mondo Disease Ontology (MONDO:0009156), read 2026-09-29. CC BY 4.0.
Features
7 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- EctrodactylyHPOHP:0100257
- Very frequent (80% to 99% of cases)
- Postaxial hand polydactylyHPOHP:0001162
- Very frequent (80% to 99% of cases)
- Abnormal metacarpal morphologyHPOHP:0005916
- Frequent (30% to 79% of cases)
- BrachydactylyHPOHP:0001156
- Frequent (30% to 79% of cases)
- Camptodactyly of fingerHPOHP:0100490
- Frequent (30% to 79% of cases)
- Finger symphalangismHPOHP:0009700
- Frequent (30% to 79% of cases)
- Finger syndactyly
Where it sits
Other names
2 names
Resolves to: ectrodactyly-polydactyly syndrome
- Also called
- ectrodactyly polydactylyectrodactyly-polydactyly