ICD-11 definition : A condition of the anus, caused by an infection with a bacterial, viral, or fungal
source. This condition is characterised by a focal accumulation of purulent material
in the perianal crypts or glands. This condition may present with pain and swelling
in the perianal region, or fever. Confirmation is commonly by rectal examination.;
ICD-11 synonym : Perianal abscess;
ICD-11 inclusion : marginal anus abscess; Perianal abscess; anal cellulitis; anus abscess;
A condition of the anus, caused by an infection with a bacterial, viral, or fungal
source. This condition is characterised by a focal accumulation of purulent material
in the perianal crypts or glands. This condition may present with pain and swelling
in the perianal region, or fever. Confirmation is commonly by rectal examination.