Congenital disorder of a limb
Piglet with dipygus at Ukrainian National Chernobyl Museum in Kyiv
Dysmelia (from the Greek dys (δυσ- ), "bad" + mélos (μέλος ), "limb" + English suffix -ia) is a congenital disorder of a limb resulting from a disturbance in embryonic development .[ 1]
Types
Syndactyly of the second and third toes
Dysmelia can refer to [citation needed ]
missing (aplasia ) limbs : amelia , oligodactyly , congenital amputation e.g. tibial or radial aplasia
malformation of limbs: shortening (micromelia, rhizomelia or mesomelia ), ectrodactyly , phocomelia , meromelia , syndactyly , brachydactyly , club foot
extra limbs: polymelia , polydactyly , polysyndactyly
others: tetraamelia , hemimelia , symbrachydactyly
Bilateral polydactyly with short fingers in Ellis–Van Creveld syndrome patient
Occurrence rate
Birth defects involving limbs occur in 0.69 per 1000.[ 2]
Causes
Dysmelia can be caused by[citation needed ]
Syndromes with dysmelia
References
^ "Dysmelia (Limb Deficiency/Reduction)". Atlas of Genetic Diagnosis and Counseling . Humana Press. 2006. pp. 312–322.
^ McGuirk, Caroline K.; Westgate, Marie-Noel; Holmes, Lewis B. (2001-10-01). "Limb Deficiencies in Newborn Infants". Pediatrics . 108 (4). American Academy of Pediatrics (AAP): e64. doi :10.1542/peds.108.4.e64 . ISSN 1098-4275 . PMID 11581472 . S2CID 1863175 .
External links