A lateral internal sphincterotomy is a simple surgery during which the sphincter is cut or stretched. The sphincter is the circular group of muscles surrounding the anus that are responsible for controlling bowel movements. This type of sphincterotomy is a treatment for people who suffer from anal fissures. Anal fissures are breaks or tears in the skin of the anal canal. A sphincterotomy is used as a last resort for this condition, and people who experience anal fissures are usually encouraged to try a high-fiber diet, stool softeners, or Botox first.
Lateral anal sphincterotomy
Anal fissure - Surgical Treatment - NCBI Bookshelf
An anal fissure is a small tear or split in the skin around the opening of your bottom anus. There are several different types of procedure available. Your doctor will discuss the options with you. Anal fissures are relatively common and they often affect adults from mid-teens to the age of
Lateral Internal Sphincterotomy: Before Your Surgery
Lateral internal sphincterotomy is surgery to help heal an anal fissure that has not improved with medicine or other treatments. An anal fissure is a tear in the lining of the anus. During the surgery, the doctor puts a lighted tube called an anoscope, or scope into the anus.
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