The treatment of chronic anal fissure with botulinum toxin.


BACKGROUND/AIMS The aim of this study was to evaluate the effectiveness of botulinum toxin for the treatment of uncomplicated dorsal chronic idiopathic anal fissure. MATERIAL AND METHODS Forty-five patients who reported post defecatory anal pain since two months or more were given a total of 20U botulinum toxin in the anal sphincter apparatus on both… (More)


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