title: Anal fissure.
abstract: Anal fissures are both common and disabling. Patients can be in pain for weeks before receiving effective treatment, and unnecessary discomfort may be prevented by timely operation. Existing forms of treatment are reviewed with particular reference to lateral subcutaneous sphincterotomy.
mesh_terms: D000208:Acute Disease; D001003:Anal Canal / Q000601:surgery; D002908:Chronic Disease; D004106:Dilatation; D005401:Fissure in Ano / Q000601:surgery*; D006801:Humans; D008722:Methods