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深静脉血栓形成(deep venous thrombosis,DVT)是指血液在深静脉腔内不正常的凝结,多发生于下肢。本病在欧美等发达国家静脉血栓的发病率约为0.1%[1]。DVT中部分病人可因血栓脱落造成肺栓塞,欧美等发达国家的相关研究发现约90%肺栓塞由下肢DVT引起[1,2]。该病在我国的发病率有逐年上升的趋势。现综述多层螺旋CT检查在下肢深静脉血栓形成的进展。
Deep venous thrombosis (DVT) refers to the blood in the deep venous cavity abnormal coagulation occurs in the lower limbs. The incidence of venous thrombosis in developed countries in Europe and the United States is about 0.1% of the disease [1]. Some patients in DVT may have pulmonary embolism due to thrombus shedding. Related studies in developed countries such as Europe and the United States found that about 90% of pulmonary embolism was caused by lower extremity DVT [1,2]. The incidence of the disease in our country has a rising trend year by year. The progress of multi-slice spiral CT in the diagnosis of deep venous thrombosis of the lower extremities is reviewed.