Distal radioulnar joint volar instability after ligament reconstruction failure treated with sigmoid notch osteotomy.

Abstract

Because osseous abnormalities result in distal radioulnar joint instability, a sigmoid notch osteotomy is used to restore stability. This article describes a case of distal radioulnar joint volar instability treated with sigmoid notch osteotomy of the volar rim.A 22-year-old man presented with a 9-month history of right wrist pain with volar instability after a fall, which was treated conservatively. He reported a history of remote trauma when he was 7 years old but had been asymptomatic since then. Four months later, he underwent anatomical distal radioulnar joint ligament reconstruction at another hospital after a diagnosis of distal radioulnar joint instability, but the instability had persisted.Computed tomography revealed dynamic volar subluxation of the ulnar head with hypoplasia and a flattened volar lip of the sigmoid notch. Therefore, a sigmoid notch osteotomy of the volar rim was performed. Postoperatively, an above-elbow cast was applied with forearm pronation for 6 weeks. Six months later, the patient had regained 60° of supination and 70° of pronation. He reported minor pain and no instability. Computed tomography scan at 6 months postoperatively revealed union of the osteotomy site and confirmed the maintenance of reduction. The patient returned to work.

• Authors: Byung-Sung Kim, Hyun-Seok Song, Koo-Hwang Jung, Hyung-Tae Kim
• Journal: Orthopedics (Orthopedics) Vol. 35 Issue 6 Pg. e984-7 (Jun 2012) ISSN: 1938-2367 [Electronic] United States
• PMID: 22691681 (Publication Type: Case Reports, Journal Article)
• Copyright: Copyright 2012, SLACK Incorporated.

Topics

• Humans
• Joint Instability (surgery)
• Ligaments (surgery)
• Male
• Radius (surgery)
• Plastic Surgery Procedures (methods)
• Treatment Outcome
• Ulna (surgery)
• Wrist Joint (surgery)
• Young Adult