Anal fistula other imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2]

Overview

Anoscope is used to visualize the internal opening of fistula. Sigmoidoscopy is used to visualize the opening of fistula in the rectum.

Other Imaging Findings

• Anoscope: the Internal opening is seen clearly with an anoscope.
• Sigmoidoscopy:This is used to visualize opening in the rectum.