骨巨细胞瘤是起源于松质骨的溶骨性肿瘤。它的好发部位是长管状骨的干骺端,骨骺或骨突部、肋骨很少发生,发生者也常缺乏典型的X线表现。现将1例报告如下。1　临床资料患者女性,61岁。发现左胸部有一小肿物近4年,逐渐增大,近3个月来感到有局部疼痛,于1998年10月来我院就诊?.. Giant cell tumor of bone is an osteolytic tumor originating from cancellous bone. Its predilection site is the metaphyseal end of the long tubular bone, bone spasm or bony prominence, ribs rarely occur, and the person often lacks typical X-ray findings. One case is reported below. 1 Clinical data Female patients, 61 years old. It was found that there was a small mass in the left chest for nearly 4 years, gradually increased, and local pain was felt in the past 3 months. He came to our hospital in October 1998.