Male, 5 years old. Perianal abscess, possible fistula. Drainage, pain. There is a 1.1 x 0.9 x 1.0 cm enhancing collection along the right perianal skin/subcutaneous tissue, compatible with a given history of abscess. A T2 hyperintense and enhancing tract extends to this collection from the anus, compatible with a fistula. Mild surrounding subcutaneous edema. No other fluid collections or fistulae are identified. The imaged intrapelvic contents and osseous structures are grossly unremarkable.
A 1 cm right perianal abscess with associated fistula to the anus.