22-year-old female with Crohn's disease and abdominal pain. Evaluate for abscess. ABDOMEN:LIVER, BILIARY TRACT: No focal hepatic lesions. Cholelithiasis without evidence of cholecystitis.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Narrowing with mild wall thickening and increased enhancement of the descending and sigmoid colon, compatible with active inflammatory bowel disease. Greater than average stool burden in the proximal colon. No evidence of pericolonic abscess or fistula.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.PELVIS:UTERUS, ADNEXA: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Thin intrasphincteric perianal fistula measuring up to 2.2 cm in length arising from the posterior 6 o'clock position and extending inferiorly at the midline. No evidence of abscess.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1.Active inflammatory bowel disease of the descending and sigmoid colon. No evidence of pericolonic abscess.2.Small perianal fistula.