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J Wrist Surg 2014; 03(03): 171-174
DOI: 10.1055/s-0034-1385847
Special Focus Section: Midcarpal Instability
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Surgical Techniques for the Management of Midcarpal Instability

Bryan W. Ming
1   Department of Orthopedic Surgery, Fort Worth Affiliated Hospitals (John Peter Smith) Orthopedic Surgery Residency, Fort Worth, Texas
,
Timothy Niacaris
2   Department of Orthopedic Surgery, University of North Texas Health Science Center, John Peter Smith Hospital, Fort Worth, Texas
,
David M. Lichtman
2   Department of Orthopedic Surgery, University of North Texas Health Science Center, John Peter Smith Hospital, Fort Worth, Texas
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Publikationsdatum:
31. Juli 2014 (online)

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Abstract

Palmar midcarpal instability (PMCI) is an uncommon and poorly understood disorder. Its etiology is believed to be due to traumatic or congenital laxity of the ligaments (volar and dorsal) that stabilize the proximal row. This laxity results in hypermobility of the proximal carpal row and unphysiologic coupling of the midcarpal joint. Clinically, the condition is manifested by a painful clunk with ulnar and radial wrist deviation. The purpose of this article is to chronicle our personal experience with this condition and to review our current treatment recommendations and outcomes.

Keywords

midcarpal joint - instability - carpus - wrist - radiocarpal ligament