Catalog
Fissure or fistula of anal regions
Link to WHO Definition
Fissure or fistula of anal regions – http://id.who.int/icd/entity/801035247
Anal fissure and fistula are the common disorders of anal regions. An anal fissure is a superficial linear tear in the anoderm that is distal to the dentate line. An anal fistula is an inflammatory tract between the anal canal and the skin.