Anal fissure, or fissure-in-ano, is defined as a tear in the squamous epithelium of the anus distal to the dentate line. It is characterized by severe pain during and after defecation often causing a great deal of distress in affected individuals. Minimal bleeding can occur and is usually limited to bright red blood on toilet paper or the surface of stool [1]. Chronic anal fissures may present with perianal swelling, mucous drainage, or a sentinel pile [2]. © Springer-Verlag London Limited 2010.
CITATION STYLE
Suwanabol, P. A., & Kennedy, G. D. (2010). Lateral internal sphincterotomy. In Illustrative Handbook of General Surgery (pp. 189–193). Springer London. https://doi.org/10.1007/978-1-84882-089-0_23
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