Abscess in the perirectal area
May be associated with fistula-in-ano
Classification of the abscess is based on the location in relation to the levator and sphincteric muscles of the pe...
Constant anal or perianal pain that often precedes local findings
Localized swelling, erythema, and fluctuance
Painful defecation or ambulation
Lack of fluctuation should not delay treatment.
Abscess should be drained with placement of a seton or drainage catheter.
Abscess should be cultured at time of drainage to dire...
If abscess recurs, consider other associated conditions (e.g., neutropenia, HIV, diabetes mellitus, Crohn disease, rectal duplication cyst).
Exploration for fistula-in-ano is recommended t...
Caliste X, Nazir S, Goode T, et al. Sensitivity of computed tomography in detection of perirectal abscess. Am Surg. 2011;77(2):166–168. [View Abstract on OvidInsights]
566 Abscess of anal and rectal regions
565.1 Anal fistula
K61.1 Rectal abscess
K60.3 Anal fistula
K61.3 Ischiorectal abscess
K61.4 Intrasphincteric abscess
91669008 Perirectal abscess (...
Q: What are complications of this problem?
A: Fistula formation is seen in up to 50% of patients, with a predilection for males.
Q: What are the most common organisms of the abscess?
Sign up for a 10-day FREE Trial now and receive full access to all content.