9-year-old boy with history of chronic granulomatous disease, evaluate for perirectal fistula or abscess. PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: Bilateral inguinal lymph nodes are stable.BOWEL, MESENTERY: A large stool burden is noted throughout the imaged colon.BONES, SOFT TISSUES: Drainage catheters are again noted both immediately to the right and left of the venous. A very small, residual collection has decreased in size from the prior exam and (series 401, image 43) measures 16 x 5 mm. There is no new fluid collection. Increased T2 signal in the surrounding subcutaneous soft tissues indicates mild surrounding edema.OTHER: No significant abnormality noted.
Bilateral perianal drainage catheters in place with a small residual left perianal collection, decreased in size from the prior exam.