Congenital absent radius

Congenital radius deficiency, also known as paraaxillary radial limb deformity or radial rod-shaped hand, is a rare congenital malformation, but more common than ulna lack. The onset is often bilateral and unilateral is not uncommon. There are more male patients than females, with a ratio of about 3: 2. In the neonatal period, it can be found that the forearm of the child is bent to the radial side, the thumb is turned to the inside, and the forearm is 90deg; bent.

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