Brachydactyly type A2

Brachydactyly type A2 (BDA2) is a congenital malformation characterized by shortening (hypoplasia or aplasia) of the middle phalanges of the index finger and, sometimes, of the little finger.

Short middle phalanx of the 5th finger

Absence or underdevelopment (hypoplasia) of the middle phalanx of the fifth finger.


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PMID (PMCID)