软骨粘液纤维瘤为少见的良性骨肿瘤。我院收治 1例 ,经手术及病理证实 ,报告如下。患者　男 ,30岁。主诉左大腿间歇性隐痛 4年余加重 1个月。无恶病质及局部淋巴结肿大征象。骨科检查 :左大腿下段内侧局部肿胀变形并扪及包块 ,大小约 10ｃｍ× 5ｃｍ ,质地中等 ,界限清楚 ,压痛 Cartilage myxoma is a rare benign bone tumor. In our hospital, 1 case was confirmed by surgery and pathology. The report is as follows. Male patient, 30 years old. The chief complained of intermittent pain in the left thigh increased by more than 4 months in more than 4 years. No signs of cachexia and local lymphadenopathy. Orthopaedic examination: local swelling and deformation of the lower part of the left lower thigh and palpable mass, about 10cm x 5cm in size, moderate texture, clear boundaries, tenderness