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Ulnar Deviation

This image of a patient with long-standing rheumatoid arthritis shows synovitis of the metacarpophalangeal joints with an ulnar drift of the digits.

By permission of the publisher. From Mabrey J: Current Orthopedic Diagnosis and Treatment . Edited by JD Heckman, RC Schenck, and A Agarwal. Philadelphia, Current Medicine, 2002.