Fig. 1From: Left-sided omental infarction without torsion: report of a case with radiologic-pathologic correlationTransverse gray-scale US sonograms obtained using a multifrequency convex (2.5–5 MHz) (a, b) and linear probes (7.5–12 MHz) (c) show an ovoid, hyperechoic lesion next to anterior abdominal wall in left upper abdominal quadrant which contained avascular, poor-defined, hypoechoic linear areas. d Color Doppler sonogram shows complete absence of Doppler signal within the massBack to article page