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. 2021 Feb 2;14:33–44. doi: 10.2147/CEG.S291909

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© 2021 Garg et al.

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A 34-year-old male patient with a high horseshoe transsphincteric anal fistula and abscess. (A): Axial section (Schematic diagram), (B) Coronal section (Schematic diagram), (C) Post-operative photograph showing TROPIS wound (laid open intersphincteric portion of the fistula tract) in the anal canal. (D) MRI-axial section (STIR), (E) MRI-coronal section (STIR), (F) Post-operative photograph showing the final picture (TROPIS wound in the anal canal) and a tube inserted in the tract in left ischiorectal fossa. The tube sutured to the skin with monofilament non-absorbable suture (2–0 nylon) (Yellow arrows are showing fistula tracts).