Radial deviation of the finger caused by an occult intramuscular ganglion in a patient with rheumatoid arthritis

Tomoyuki KatoDepartment of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan

Takuji IwamotoDepartment of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, JapanCorrespondence[email protected]

Noboru MatsumuraDepartment of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan

Kazuki SatoDepartment of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan

Toshiyasu NakamuraDepartment of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan

Yoshiaki ToyamaDepartment of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan

Abstract

Ulnar deviation is a common complication in patients with rheumatoid arthritis (RA). We report a case of an unusual radial deviation of the middle finger caused by an occult intramuscular ganglion of the second interosseous muscle (IOM) in a patient with RA. The resection of the ganglion did not resolve the problem, and the full range of motion of the metacarpophalangeal (MP) joint was achieved through dissection of the tendon of the second dorsal IOM.

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Radial deviation of the finger caused by an occult intramuscular ganglion in a patient with rheumatoid arthritis

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Radial deviation of the finger caused by an occult intramuscular ganglion in a patient with rheumatoid arthritis

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