骨样骨瘤属良性骨肿瘤,常见于长管状骨,发生于手、足部较少见[1]。我科于2000-07曾收治1例误诊为掌骨骨髓炎及臂丛神经卡压征,行局部病灶清除术及臂丛神经松解术。术后症状不消,1.5 a后才诊断为骨样骨瘤,并施行瘤巢切除术,现报告如下。1病历摘要男,32岁。因左手第4掌骨部肿物术 Osteoid osteoma is a benign bone tumor, common in long tubular bone occurs in the hands, feet less common [1]. My department in 2000-07 had been treated with 1 case misdiagnosed as metacarpal osteomyelitis and brachial plexus compression syndrome, line local lesion removal and brachial plexus lysis. Postoperative symptoms do not disappear, 1.5 a after the diagnosis of osteoid osteoma, and the implementation of tumor resection, are as follows. 1 medical record summary male, 32 years old. Due to left hand fourth metacarpal tumor