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A fistula is an abnormal connection between two epithelialized surfaces. An anal fistula (fistula-in-ano) is a sinus secondary to a diseased anal gland. Symptoms include pain, drainage, and chronic inflammation. Anal fistulae are associated with anal abscesses, tuberculosis, hidradenitis suppurativa, inflammatory bowel disease, and trauma.

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Anal Fistula-Introduction

  • 章节

  • 发表日期：

    2025年

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  • James S. Wu,
  • Michelle D. Inkster

摘要

A fistula is an abnormal connection between two epithelialized surfaces. An anal fistula (fistula-in-ano) is a sinus secondary to a diseased anal gland. Symptoms include pain, drainage, and chronic inflammation. Anal fistulae are associated with anal abscesses, tuberculosis, hidradenitis suppurativa, inflammatory bowel disease, and trauma.