Abstract
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An anal fissure is a linear or oval tear distal to the dentate line that can be extremely painful with bowel movements and may lead to bright red blood per rectum.
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The estimated prevalence is inaccurate as many people with an anal fissure never seek medical treatment.
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Anal fissures occur equally in men and women and tend to occur in younger patients (mean age 40 years).
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75 % are located in the posterior midline, but anal fissures can be seen anteriorly in 25 % of women and 8 % of men. Three percent can have both anterior and posterior fissures.
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Ricciardi, R., Dykes, S.L., Madoff, R.D. (2014). Anal Fissure. In: Beck, D., et al. The ASCRS Manual of Colon and Rectal Surgery. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8450-9_12
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DOI: https://doi.org/10.1007/978-1-4614-8450-9_12
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