Anal Fissure

  • Sanghwa Yu


Anal fissure is a longitudinal tear caused by hard stool in the anal canal. It is not clear whether the tearing wound is the consequence of anal spasm or the anal spasm is the cause of tearing. Anterior anal fissure is observed in 10% of the patients and may have a different pathophysiology. Approximately 50% of patients with acute anal fissures can be treated with warm sitz bath, fiber intake, and stool softener. Treatment of chronic anal fissure should be combined with conservative treatment, reducing internal sphincter hypertonia including GTN, calcium channel blocker, or Botox injection therapy. Surgical treatment for chronic anal fissure not responding to the conservative or non-operative treatment is very simple and effective procedure.


Anal fissure GTN Botox Sphincterotomy 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Sanghwa Yu
    • 1
  1. 1.Colorectal Division, Department of SurgeryHansol HospitalSeoulSouth Korea

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