29-year-old male. Rule out small bowel Crohn's disease. History of perianal disease. ABDOMEN:LIVER, BILIARY TRACT: No significant abnormality noted.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No hydronephrosis. Subcentimeter cyst of the left upper renal pole.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No wall thickening or abnormal wall enhancement. No evidence for stricture, fistula, or intra-abdominal drainable fluid collection.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No wall thickening or abnormal wall enhancement. No evidence for stricture, fistula, or intra-abdominal drainable fluid collection.BONES, SOFT TISSUES: Midline posterior soft tissue defect at the level of the lower sacrum at the level of the prior subcutaneous abscess (axial series 14 image 62).OTHER: No significant abnormality noted.
1.No evidence for active intra-abdominal Crohn's disease.2.Interval drainage of the posterior midline subcutaneous abscess at the level of the lower sacrum, now with a soft tissue defect.