Brachydactyly type B

Brachydactyly type B (BDB) is a very rare congenital malformation characterized by hypoplasia or aplasia of the terminal parts of fingers 2 to 5, with complete absence of the fingernails.

Brachydactyly

Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.


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PMID (PMCID)
1081366
 FEMALE Adult
Brachydactyly type B and symphalangism in different members of a Mexican family.
Zavala C, Hernandez-Ortiz J, Lisker R.
Ann Genet. 1975;18(2):131-4.
These individuals in addition to the brachydactyly had symphalangism, an abnormality not previously described in association with brachydactyly type B.