Abstract
ObjectivesAnal pain can be caused by various medical conditions; the exclusion of organic causes for proper treatment is important. Three-dimensional anorectal ultrasound can identify organic causes of anal pain. The objective of this study was to evaluate the importance of three-dimensional anorectal ultrasound in the detection of organic abnormalities in patients with anal pain. MethodsTwenty-two patients (mean age: 49 years; 13 women) with chronic anal pain were enrolled to join a prospective study between June 2009 and June 2011. A complete proctology and colonoscopy examination was normal. Subsequently, the patients underwent three-dimensional anorectal ultrasound. ResultsIntersphincteric sepsis was found in 14 patients (63.6%). Two female patients (9.1%) had anal sphincter injury, one of them with the presence of a grade II rectocele. There was an increase in the thickness of the subepithelial tissue in three patients (13.6%). In one patient (4.6%), the presence of a hypoechoic circular retrorectal (presacral) cyst of the middle and lower rectum was observed. The three-dimensional anorectal ultrasound examination showed no abnormalities in two patients (9.1%). ConclusionThe three-dimensional anorectal ultrasound is a simple, economical, fast and useful test for the study of anorectal diseases and should be included in the examination of patients with anal pain, to exclude organic causes.
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