1病历摘要男,60岁。患者2 a前自感右大腿中部有微痒感,疼痛不显。无意中触摸到一指甲大小软硬肿块,因无其他症状未在意。近1 a来发现局部肿块明显增大,质地稍硬,但临床症状不明显。感行动时有障碍,遂来院就诊。检查:右大腿中段后方可见一约13 cm×16 cm大小软硬质包块,触摸境界 1 medical record summary male, 60 years old. 2 a sense of self-right before the middle of the right thigh itching, pain was not significant. Inadvertently touch a nail size hard and soft mass, because no other symptoms do not care. Nearly 1 a to find the local mass was significantly increased, slightly stiff texture, but the clinical symptoms are not obvious. A sense of impediment, then came to the hospital. Check: the middle of the right thigh visible after a 13 cm × 16 cm size soft and hard mass, touching the realm