13-year-old male with perianal Crohn's; evaluate for perianal fistula or abscess PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Bowel wall thickening and enhancement of the rectosigmoid colon with high T2 signal in the surrounding fat tissues consistent with inflammatory changes and edema. BONES, SOFT TISSUES: Previously described ischiorectal fossa abscess has resolved with minimal scarring in the area. No enhancement or diffusion restriction is present in the ishiorectal fossa. Low T1 signal and intermediate T2 signal in the area of the previously noted abscess likely represent scarring. No residual fluid collection. No new abscess noted.OTHER: Minimal free fluid is present.
1.Bowel wall thickening, edema, and adjacent inflammatory changes of the rectosigmoid colon.2.Interval resolution of ischiorectal fossa abscess. No new abscess is identified.