34-year-old male patient with pain, constipation, perirectal abscess. Assess rectal abscess, tracking/fistula. PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: There are prominent bilateral external iliac, internal iliac, and inguinal lymph nodes.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: There is edema type signal within the intersphincteric space. There is a tract of signal abnormality originating from the 2 to 3 o'clock position of the lower anus which tracks inferiorly within the left gluteal fold and communicates with a 4.6 x 2.7 x 3.5 cm complex, peripherally enhancing, central low intensity collection within the left gluteal soft tissues adjacent to the gluteal cleft.OTHER: There is no intrapelvic abscess.
Perianal fistula with complex perianal abscess as described above. 