我院 1 999年 1月～ 2 0 0 2年 1月收治的 2 4 3例下肢深静脉血栓形成患者中 ,有 4例患者住院期间 ,发现并发恶性肿瘤。报告如下 :1　临床资料例 1 ,男 ,55岁 ,左下肢疼痛、肿胀 ,行走时加重。查体 :左下肢肿胀明显 ,大腿周径较右侧长 6ｃｍ ,小腿周径较右侧长4ｃｍ ,彩色多谱 Among the 243 patients with deep venous thrombosis of lower extremities admitted in our hospital from January 1999 to January 2002, 4 patients were found to have malignant tumors during hospitalization. The report is as follows: 1 clinical data example 1, male, 55 years old, left lower extremity pain, swelling, walking aggravated. Examination: obvious swelling of the left lower limb, thigh circumference than the right 6cm long, calf circumference longer than the right 4cm, color spectrum