Colour duplex ultrasonography showed DVT extending from the left external iliac vein to the foretibial vein.

多普勒彩超显示左侧髂外静脉至胫前静脉段DVT。

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Besides, there were comparatively larger veins which ran medially to the femoral ring and opened into the external iliac vein (found in 42.5%).

此外，在42.5%的标本中，有较大的静脉行经股环内侧汇入髂外静脉。

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