A Comparison of Botulinum Toxin and Saline for the Treatment of Chronic Anal Fissure

Name: Work Video:
Duration: 3 min 30 s
Description: Chronic anal fissure is a tear in the lower half of the anal canal that is maintained by contraction of the internal anal sphincter. Sphincterotomy, the most widely used treatment, is a surgical procedure that permanently weakens the internal sphincter and may lead to anal deformity and incontinence.
Giorgio Maria; Emanuele Cassetta; Daniele Gui; Giuseppe Brisinda; Anna Rita Bentivoglio; Alberto Albanese
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