Male, 17 years old. Weight loss, bloody stool and abnormal UGI study with 10 cm bowel narrowing of distal loop.EXAMINATION: MR enterography without and with IV contrast 07/08/2016, 1508 ABDOMEN:LIVER, BILIARY TRACT: No focal hepatic lesions. No intrahepatic or extrahepatic biliary ductal dilatation.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: The kidneys enhance symmetrically, without focal lesion or hydronephrosis. No obstructing urinary stone.RETROPERITONEUM, LYMPH NODES: Scattered mildly prominent right lower quadrant lymph nodes are likely reactive.BOWEL, MESENTERY:The distalmost 8-10 cm of terminal ileum show diffuse wall thickening, luminal narrowing, wall hyperenhancement, and decreased motility, compatible with active inflammatory involvement. Enhancement and proliferation of the surrounding fat. Mild hyperenhancement also involves the cecum. The bowel loops immediately proximal are not significantly dilated. The remainder of the bowel appears normal, without other areas of abnormal wall thickening or dysmotility. No evidence of bowel obstruction.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.PELVIS:PROSTATE, SEMINAL VESICLES: No significant abnormality notedBLADDER: No significant abnormality noted LYMPH NODES: No significant abnormality notedBOWEL, MESENTERY: As aboveBONES, SOFT TISSUES: No significant abnormality notedOTHER: No significant abnormality noted
A 10 cm segment of active inflammation and luminal narrowing involves the terminal ileum, with secondary inflammatory changes in the surrounding mesenteric fat and the cecum. The remainder of the bowel appears normal.