Fracture of the fifth finger sesamoid: A rare injury
Sesamoids are small, rounded bones and are usually located at metacarpophalangeal (MCP) joint level in the volar side of hands and the plantar side of feet. Fracture of the hand sesamoid bones is a rare injury and is usually reported as a fracture of thumb sesamoids.

A 37-year-old woman presented to outpatient clinic with persistent pain at the base of the left little finger after hitting a table with outstretched hand 1 week ago. The patient had been initially treated with nonsteroidal anti-inflammatory drugs (NSAIDs) at another hospital. On physical examination, the patient had pain over MCP joint of the little finger with palpation; her range of motion was limited due to pain. Radiograph and computed tomographic (CT) scan of the hand showed fracture of radial sesamoid of the little finger. The patient was treated conservatively with short-arm cast splint immobilization wrist in 25° extension and MCP joint in 70° flexion for 3 weeks and NSAIDs.

This is the third case report of sesamoid fracture of the fifth digit and the first one fully recovered with only conservative treatment. Sesamoid fractures should be kept in mind in patients with hand trauma and can be treated conservatively with good results.

Source: Indian journal of orthopaedics

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