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Definition
By Mayo Clinic staffAn anal fissure is a small tear in the skin that lines the anus. An anal fissure may occur when you pass hard or large stools during a bowel movement. An anal fissure typically causes pain and bleeding with bowel movements.
Anal fissures most often affect people in middle age, but fissures also are the most common cause of rectal bleeding in infants. Most anal fissures heal within a few weeks with treatment for constipation, but some fissures may become chronic. If an anal fissure doesn't heal, medical treatment or surgery can usually relieve discomfort.
- Gearhart SL. Diverticular disease and common anorectal disorders. In: Fauci AS, et al. Harrison's Principles of Internal Medicine. 17th ed. New York, N.Y.: McGraw-Hill; 2008. http://www.accessmedicine.com/content.aspx?aID=2881328. Accessed July 28, 2010.
- Lacy BE, et al. Common anorectal disorders: Diagnosis and treatment. Current Gastroenterology Reports. 2009;11:413.
- Herzig D. Anal fissure. Surgical Clinics of North America. 2010;90:33.
- Greenwald DA. Common disorders of the anus and rectum: Hemorrhoids and fissures. American College of Gastroenterology. http://www.acg.gi.org/patients/gihealth/hemorrhoids.asp. Accessed July 28, 2010.
- Yamada T, et al. Anorectal diseases. In: Yamada T, et al. Textbook of Gastroenterology. 4th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2003. http://ovidsp.tx.ovid.com/sp-2.3.1b/ovidweb.cgi. Accessed July 28, 2010.
- Breen E, et al. Anal fissures. http://www.uptodate.com/home/index.html. Accessed July 28, 2010.
- Anal fissure. American Society of Colon & Rectal Surgeons. http://www.fascrs.org/patients/conditions/anal_fissure. Accessed July 28, 2010.
- Anal fissure. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/print/sec02/ch020/ch020.html. Accessed July 28, 2010.
- Gil J, et al. Screening for the effectiveness of conservative treatment in chronic anal fissure patients using anorectal manometry. International Journal of Colorectal Disease. 2010;25:649.
- Klein MD, et al. Surgical conditions of the anus, rectum, and colon. In: Kliegman RM, et al. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/212152969-3/1032016749/1608/827.html#4-u1.0-B978-1-4160-2450-7..50343-1--cesec13_6840. Accessed July 28, 2010.
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