Fig. 9From: Role of trans-abdominal and trans-perineal venous duplex ultrasound in cases of pelvic congestion syndromea–c trans-abdominal color and spectral Doppler images showing significant compression of the left common iliac vein (lt.civ.) (Open white arrows in a) by the right common iliac artery (rt. cia.) with significant rise in the velocity ratio that was measured in the b compressed segment as compared with the preceding c uncompressed segmentBack to article page