Immediate fistulotomy in the treatment of perianal abscess.
D000038:Abscess / Q000209:etiology / Q000601:surgery; D001004:Anus Diseases / Q000601:surgery*; D004322:Drainage; D005401:Fissure in Ano / Q000209:etiology / Q000601:surgery*; D006801:Humans; D008722:Methods; D011183:Postoperative Complications