Congenital hand differences reviewed include syndactyly, polydactyly, thumb hypoplasia, macrodactyly, aphalangia, symbrachydactyly, constriction ring sequence, central deficiency, cleft hand, clinodactyly, and camptodactyly. ... and is most common between the long finger and the ring finger. 3, 6 The distribution of affected digits is different ...

A reduction defect is the absence, aplasia, or hypoplasia of skeletal structures of the limb: transverse when the limb (distal or proximal arm, forearm and/or hand) is absent, ... Split hand, radius aplasia, rudimentary fingers, hypoplastic nasal bone, ventricular septal defect: 19: Reduction defect, non-isolated:

Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress. The affected body parts, usually fingers and toes, might turn white then blue. Depending on your skin color, these color changes may be harder or easier to see.

These include overlapping toes [5, 39, 41], broad thumbs and halluces [5, 21], adducted thumbs , triphalangeal thumb , arachnodactyly , tapering fingers [30, 39], hypoplastic first rib , rib agenesis , syndactyly [27, 41, 46], brachydactyly [37, 41, 46], camptodactyly , clinodactyly [30, 35, 37], club foot [29, 33] and scoliosis [30, 33, 40 ...

Scalp defects are already present at birth. The extremities are either short (hypoplastic fingers and toes) or characterized by absent hands and lower legs. Congenital heart defect must be ruled out. + +