骨软骨瘤是软骨化骨中最常见的骨肿瘤，占良性骨肿瘤的３８５％～５０％，好发于四肢长管骨，典型表现为附着于干骺端的骨性突起；而发生于短管骨、扁骨和不规则骨的却很少见，且Ｘ线表现不典型，易发生误诊。本文收集经病理证实的６例结合临床、Ｘ线、ＣＴ分析如下。１... Osteochondroma is the most common bone tumor in cartilage bone, accounting for 38.5% to 50% of benign bone tumors. It occurs in the long bones of the extremities. It is typically expressed as bony prominences attached to the metaphyseal bone. Short tube bones, flat bones, and irregular bones are rare, and X-ray findings are not typical, and are prone to misdiagnosis. This article collected 6 cases confirmed by pathology combined with clinical, X-ray, CT analysis is as follows. 1...