A Case of Sesamoid Displacement Causing the First Metacarpophalangeal Joint Locking (SDL)
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Traumatic sesamoid displacement of the first metacarpophalangeal joint can affect thumb function.
Condition or disease
Although occurrence is rare, the mechanism of the displacement is commonly complex and varied. Understanding the mechanism is critical for treatment of the disorder. We herein present a locked thumb MCPJ caused by sesamoid displacement.
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