Anal fistula is a chronic abnormal communication between the anal canal and the perianal skin, described as a narrow tunnel with its internal opening in the anal canal and its external opening in the skin near the anus. Anal fistulae commonly occur in people with a history of anal abscesses, forming when those abscesses do not heal properly.
Facts
Classification
ICD-10 ChapterXI: Diseases of the Digestive System 1 Sources
1. Wikipedia: ICD-10
WikipediaList of chapters, Chapter XIQuote, List of chapters, Chapter XI
Diseases of the digestive system
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