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1.临床资料:患者,男性,24岁,因右胫骨骨肉瘤截肢术后6年,上腹部肿块伴黑便1月收入院。患者六年前于当地医院确诊为右胫骨骨肉瘤,经手术截肢后行正规化疗共6个疗程。未再次复查。1月前自觉上腹部逐渐出现肿块,无明显疼痛,遂于当地医院就诊,行腹部CT示:小网膜囊处5.5cm×7.6cm囊实性肿块,边缘欠完整,挤压胃壁、胆囊及胰头。于当地肿瘤医院行超声引导下腹腔肿物穿刺活检。活检病理回报:间叶源性恶性肿瘤。就诊期间,患者间断出现黑便,并逐渐面色苍白,伴头晕、
1. Clinical data: Patients, men, 24 years old, due to right tibial osteosarcoma 6 years after amputation, upper abdominal mass with black stool in January hospitalization. Six years ago, the patient was diagnosed with right tibial osteosarcoma in a local hospital. After the operation, formal chemotherapy was performed for 6 courses after amputation. Not checked again. 1 month ago consciously abdominal gradually lumps, no obvious pain, then in the local hospital for treatment, abdominal CT showed: cystic parietal 5.5cm × 7.6cm cystic mass, the edge is not complete, the extrusion of the stomach, gallbladder and Pancreatic head. At the local tumor hospital under ultrasound-guided abdominal biopsy. Biopsy pathological findings: mesenchymal malignancy. During the visit, patients intermittently black, and gradually pale, with dizziness,