Perianal abscess

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Perianal pain for 1 week.

Patient Data

Age: 25 years
Gender: Male

Transrectal

ultrasound

There is an abscess around the anal canal from 11 o'clock (around 6 'clock) to 1 o'clock.

There is also an air tract between the abscess and the anal canal at 6 o'clock.

Case Discussion

Findings favor horseshoe-shaped perianal abscess.

Surgery revealed communication between the abscess and the anal canal at 6 o'clock.

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