Atasoy E
J Hand Surg Am. 1980 Nov;5(6):572-4. doi: 10.1016/s0363-5023(80)80109-2.
By careful technique the dorsum of the thumb can be used as a donor area to cover exposed bone of index fingertip amputations and, in certain cases, avulsions of the nailbed. In this procedure an oblique, radially based flap from the dorsum of the proximal phalanx is used.