title: Acute anal fissure: treatment by lateral subcutaneous internal anal sphincterotomy.
abstract: Lateral subcutaneous internal anal sphincterotomy in the management of chronic anal fissures is well established. Its role in the management of the acute severely painful fissure is reported and the technic described.
mesh_terms: D000208:Acute Disease; D005401:Fissure in Ano / Q000601:surgery*; D006801:Humans; D008722:Methods; D009132:Muscles / Q000601:surgery*