18-year-old male with past surgical history of total colectomy secondary to motility disorder with right lower quadrant ileostomy Limited evaluation of the right lower quadrant structures due to artifact caused by right lower quadrant ileostomy.PELVIS:MRA/MRV: There is near complete stenosis of the left common iliac vein due to compression from the right common iliac artery. The left external iliac vein is distended with a thrombus that extends to the inferior most image. There is wall thickening and mild inflammatory signal surrounding the distal external iliac vein compatible with a component of thrombophlebitis.PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Status post total abdominal colectomy with right lower quadrant end ileostomy. Inflammatory changes to the mesenteric fat may be related to surgery. No evidence of small bowel obstruction.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: Gastrostomy tube is noted.
1.Findings compatible with May Thurner syndrome as described above. Surrounding inflammatory changes and wall thickening of the distal external iliac vein may represent a component of thrombophlebitis.2.Inflammatory changes within the mesentery may postsurgical.