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Anal sphincterotomy is a surgical procedure that involves treating mucosal fissures from the anal canal/sphincter. The word is formed from sphincter + otomy (to cut, to separate). ==Procedure== # The surgery can be performed under any kind of anesthesia. # After anesthesia is administered, the area is cleaned with an antiseptic solution. # The sphincter is separated either by simply stretching or cutting. Cutting the muscle prevents spasm and temporarily weakens the muscles. Both methods help the underlying area to heal. # Remove the fissure and any underlying scar tissue. # Suture back the wound. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Anal sphincterotomy」の詳細全文を読む スポンサード リンク
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