Fig. 1From: A rare case of perivascular epithelioid cell tumor (PEComa) of the greater omentumPreoperative pelvic T1-weighted MRI findings. A tumor mass of 37 mm in size was found in the pelvis, and a mobile lesion in the peritoneal cavity was observed by comparing the image taken at the referral hospital (a) with the image taken at our hospital (b). The tumor appeared at a mildly higher signal than the muscleBack to article page