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- Palmar Radiocarpal Artery Vascularized Bone Graft for the Unstable Humpbacked Scaphoid Nonunion With an Avascular Proximal PoleJournal of Hand SurgeryVol. 45Issue 4
- PreviewThe most challenging scaphoid nonunion is the unstable nonunion with humpbacked collapse coupled with an avascular proximal pole. Dorsal distal radius pedicled vascularized bone grafts (VBGs) are contraindicated in cases of humpback deformity. The free medial femoral condyle VBG is an excellent option but it is an extensive microsurgical procedure with lengthy operative times and dual-limb incisions. In search of a local, volar, vascularized source of bone to treat this challenging subset of scaphoid nonunions, we analyzed our results with a volar distal radius bone graft based on the pedicled palmar radiocarpal artery (PRCA).
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