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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f21_14_21729

©2013 UpToDate ® Print Email Schematic depiction of a fistulotomy and marsupialization This diagram shows the probe extending through the primary opening of the anal fistula and the insertion of the probe. The internal opening is excised and the fistulous tract is marsupialized.