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Phalangeal microgeodic syndrome: findings on MR imaging.

P halangeal microgeodic syndrome was first described by Maroteaux in 1970 1 1 1. The case reports published since then 12-61 have described only radiographic findings. The etiology of this syndrome is unknown, but its occurrence correlates with injury caused by exposure to cold temperatures. so most cases occur in winter. This disease presents with frostbitelike symptoms such as spindle-shaped swelling and mild pain in fingers. The most common sites of this disease are the middle phalanx of the index and middle fingers. Toes are rarely affected. Multiple lesions are found in half of the cases. and bilateral lesions are found in one third of the cases. Histologically, micro-