掌指关节结核极为少见,尚未见报道。我科最近收治1例,曾误诊为海绵状血管瘤,现报告如下。患者女,19岁。于1年前无意中发现左手背第四掌指关节处有1cm×2cm大包块,有轻微压痛并逐渐增大,活动或持重时疼痛加重。查体:左手背第四掌指关节桡侧近掌骨头处伸 Metacarpophalangeal tuberculosis is extremely rare and has not been reported. Our department recently received 1 case and was misdiagnosed as a cavernous hemangioma. The report is as follows. Female patient, 19 years old. One year ago, I found a 1cm x 2cm large mass at the fourth metacarpophalangeal joint of the left hand, with slight tenderness and gradual enlargement, and increased pain during movement or holding. Physical examination: The fourth metacarpophalangeal joint of the left hand is extended at the metatarsal side of the metacarpal bone.