APSA Pediatric Surgery Library combines Pediatric Surgery Not a Textbook (NaT) with APSA ExPERT, a powerful platform for earning MOC CME credits -- all powered by Unbound Medicine. Explore these free sample topics:
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An anal fissure is a tear to the squamous epithelial mucosa of the anal canal (i.e. anoderm) between the anocutaneous junction
and the dentate line. It is thought to result from trauma by the passage of hard stool.
content in this topic is referenced in SCORE Anal Pathology: Fissures, Abscesses, Fistulae, Pilonidal, Prolapse overview