患者男性,80岁。因冠心病入院,查体:左肩部触及7 cm×3 cm大小肿块,质韧。CT示左肱骨上端前方见一低密度占位,边缘较光整,下部见斑片状结节样略低密度影,CT值-23HU。行肿块扩大切除术,术中见肿瘤位于皮下及三角肌、肱二头肌之间,质地尚可,边界清,活动度差,与周围组织及肌层有粘连,深达骨膜。完整切除后送病理检查。 Male patient, 80 years old. Due to coronary heart disease admission, physical examination: left shoulder touched 7 cm × 3 cm size mass, quality and toughness. CT showed a low density of the upper part of the upper left humerus occupancy, the edge of the more polished, the lower part of the patchy nodular see a slight density, CT value -23HU. Expansion of the tumor line excision, the surgery see the tumor located in the subcutaneous and deltoid, biceps, the texture is acceptable, the border clear, poor mobility, with the surrounding tissue and muscle adhesions, deep as the periosteum. Complete removal of the pathological examination.