The Effect of the Dorsal Intercarpal Ligament on Lunate Extension After Distal Scaphoid Excision

Kamal RN, Chehata A, Rainbow MJ, et al (The Warren Alpert Med School of Brown Univ and Rhode Island Hosp, Providence; Western General Hosp, Victoria, Australia; Universitat de Barcelona, Spain; et al) J Hand Surg 37A:2240-2245, 2012^§

Abstract

Purpose

After a distal scaphoid excision, most wrists develop a mild form of carpal instability–nondissociative with dorsal intercalated segment instability. Substantial dysfunctional malalignment is only occasionally seen. We hypothesized that distal scaphoid excision would lead to carpal instability–nondissociative with dorsal intercalated segment instability in cadavers and that the dorsal intercarpal (DIC) ligament plays a role in preventing such complications.

Methods

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