Pediatric Surgery NaT
Anal Fissure
Introduction
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 AnalPathology: Fissures, Abscesses, Fistulae, Pilonidal, Prolapse overview
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Last updated: January 31, 2026
Citation
Wong, Zeng Hao. "Anal Fissure." Pediatric Surgery NaT, American Pediatric Surgical Association, 2026. Pediatric Surgery Library, www.pedsurglibrary.com/apsa/view/Pediatric-Surgery-NaT/829670/all/Anal_Fissure.
Wong Z. Anal Fissure. In: Hirschl RR, Powell DD, Waldhausen JJ, eds. Pediatric Surgery NaT. American Pediatric Surgical Association; 2026. https://www.pedsurglibrary.com/apsa/view/Pediatric-Surgery-NaT/829670/all/Anal_Fissure. Accessed April 3, 2026.
Wong, Z. (2026). Anal Fissure. In Hirschl, R., Powell, D., & Waldhausen, J. (Eds.), Pediatric Surgery NaT. American Pediatric Surgical Association. https://www.pedsurglibrary.com/apsa/view/Pediatric-Surgery-NaT/829670/all/Anal_Fissure
Wong Z. Anal Fissure [Internet]. In: Hirschl RR, Powell DD, Waldhausen JJ, editors. Pediatric Surgery NaT. American Pediatric Surgical Association; 2026. [cited 2026 April 03]. Available from: https://www.pedsurglibrary.com/apsa/view/Pediatric-Surgery-NaT/829670/all/Anal_Fissure.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Anal Fissure
ID - 829670
A1 - Wong,Zeng Hao,MBBS
ED - Hirschl,Ron,
ED - Powell,David,
ED - Waldhausen,John,
Y1 - 2026/01/31/
BT - Pediatric Surgery NaT
UR - https://www.pedsurglibrary.com/apsa/view/Pediatric-Surgery-NaT/829670/all/Anal_Fissure
PB - American Pediatric Surgical Association
DB - Pediatric Surgery Library
DP - Unbound Medicine
ER -
