Perianal actinomycosis complicating pilonidal sinus.
D000196:Actinomycosis; D001003:Anal Canal; D001004:Anus Diseases; D006801:Humans; D010388:Pelvis; D010502:Perineum; D010864:Pilonidal Sinus / Q000150:complications*
ACTINOMYCOSIS; ANUS/diseases; PILONIDAL CYST/complications