15-year-old male with history of Crohn's disease who presents for evaluation of perianal Crohn's disease.EXAMINATION: MR pelvis without and with IV contrast 11/24/2014 PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant interval change in the mildly prominent inguinal lymph nodes measuring up to 2.0 x 0.8 cm.BOWEL, MESENTERY: Again noted is bowel wall thickening and mucosal enhancement involving the terminal ileum. No stricture is identified.BONES, SOFT TISSUES: At approximately 6:00 position, there is a T2 hyperintense, diffusion restricting, and rim-enhancing linear tract measuring up to 3.8 cm and extending to the posterior, inferior anal verge.OTHER: No significant abnormality noted.
1.Findings as above consistent with perianal fistula at 6:00 position.2.Inflammatory changes involving the terminal ileum suspicious for Crohn's disease.