骨软骨瘤是一种常见的原发性良性骨肿瘤,多见于儿童和青少年,常见累及的部位是股骨远端、桡骨近端、胫骨近端、腓骨近端、腓胫骨远端的干骺端,由于肌肉的牵拉,多背向关节生长,巨大骨软骨瘤非常少见,位于关节内的肿瘤更是罕见报道。临床资料患者,女,48岁,左髋部疼痛、活动受限10年,加 Osteochondroma is a common primary benign bone tumor, more common in children and adolescents, the common site of involvement is the distal femur, proximal radius, proximal tibia, proximal fibula, proximal metaphyseal distal fibular Tibia Due to muscle pull, more back to the joint growth, a very large osteochondroma, located in the joint of the tumor is even rare. Clinical data Patient, female, 48 years old, left hip pain, limited mobility 10 years, plus