Congenital absence/hypoplasia of fingers excluding thumb, unilateral

Congenital absence/hypoplasia of fingers excluding thumb, unilateral is a rare, non-syndromic, terminal transverse limb reduction defect characterized by unilateral absence of the terminal portions of digits 2 to 5, with a mildly hypoplastic thumb and small nail remnants on the digital stumps. Metacarpal bones may be variably reduced.

Short metacarpal

Diminished length of one or more metacarpal bones in relation to the others of the same hand or to the contralateral metacarpal.


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