Abstract
Avascular necrosis (AVN) is relatively uncommon in the carpal bones, although it most frequently involves the lunate and scaphoid. The trapezoid has abundant vascular channels from a rich network of dorsal and palmar vessels, and only a few cases of AVN have been reported in adults who sustained a traumatic insult. We present a rare case of idiopathic AVN of the trapezoid in an adolescent presenting with refractory pain at the second metacarpal base. Over a period of 36 months, follow-up symptom evaluations and serial magnetic resonance images showed prominent gradual improvement, consistent with spontaneous resolution.
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