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Arthroplasty of proximal interphalangeal joint of the fourth toe in a DFU located in the dorsal aspect of the toe. 12a: dorsal approach via ellipsoidal incision and soft tissue dissection with bone exposure. 12b: removal of the head of the proximal phalanx and the base of the middle phalanx. 12c: primary closure with simple suture.12d: wound closure after 3 weeks.
