| Ectrodactyly-polydactyly syndrome | |
| Synonyms: | Ectrodactyly polydactyly |
| Symptoms: | Combination of ectrodactyly and polydactyly |
| Onset: | Birth |
| Duration: | Life-long (ectrodactyly) but can be corrected with surgery (polydactyly) |
| Prevention: | None |
| Frequency: | very rare, only 4 cases have been reported in medical literature |
| Deaths: | - |
Ectrodactyly-polydactyly syndrome is a very rare congenital limb malformation syndrome of genetic origin which is characterized a combination of ectrodactyly and polydactyly[1] consisting of underdeveloped/absent central rays of the hands or feet alongside postaxial polydactyly in the same limb that can range from a hypoplastic, bone-devoid extra digit to a fully developed supernumerary digit.[2] It has been described in 4 children from a single sibship in Belgium.[3]