Objective To explore the reasons for the misdiagnosis of pelvic tumors as lower extremity deep venous thrombosis ( DVT ), as well as the diagnostic and treatment methods for pelvic tumors.Methods Four patients with pelvic tumors were misdiagnosed as lower extremity DVT. The reasons of misdiagnosis and diagnosis and treatment for pelvic tumors were analyzed based on the relevant literatures.Results There were one case of ifbroneuroma, one cases of moderately differentiated squamous-cell carcinoma, one case of myxo-lfuidity liposarcoma and one case of synovial sarcoma. Tumors in the patient with fibroneuroma were completely removed. Malignant tumors in the other 3 patients were resected, when the tumor size was shrinked with a clear boundary and the blood supply was decreased after 3 cycles of intra-arterial chemotherapy via an implanted pump from the femoral artery to the common iliac artery. No recurrence or metastasis was found in the follow-up.Conclusions The clinical manifestations are untypical in the p

作者：刘铖；李鼎锋；郭钧；崔秋

来源：中国骨与关节杂志 2015 年 6期