骨恶性纤维组织细胞瘤是一种少见的软组织恶性肿瘤。近年来才被人们列为一种独立类型的恶性肿瘤。现报道１例。病例患者，女，１３岁。主诉活动后小腿疼痛并逐渐加重，右小腿上部肿胀，表皮发热，并摸到肿块而就诊，骨科检查：左小腿上部触及软组织包块，质偏硬、无压痛、... Bone malignant fibrous histiocytoma is a rare malignant soft tissue tumor. In recent years it has been listed as an independent type of malignancy. One case is now reported. Case patient, female, 13 years old. After the chief complaint activity, the calf was pained and gradually aggravated. The upper right leg was swollen and the epidermis was warm. The patient had a palpable mass. The orthopaedic examination showed that the upper part of the left calf touched the soft tissue mass, and the mass was hard, no tenderness,...