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. 2022 Oct 11;40(5):490–497. doi: 10.3393/ac.2022.00346.0049

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© 2024 The Korean Society of Coloproctology

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — A 33-year-old male patient was operated for a right posterior small intersphincteric abscess and fistula. Magnetic resonance imaging (MRI) done at 3 months after surgery showed a residual intersphincteric tract with weighted score of 10 (as per Garg scoring system). The patient was followed up. At postoperative 12 months, the fistula healed completely clinically as well as on MRI. (A) Axial section (schematic diagram). (B) Coronal section (schematic diagram). (C) Preoperative axial short tau inversion recovery (STIR) MRI showing right posterior intersphincteric fistula. (D) Postoperative 3-month axial STIR MRI showing residual intersphincteric fistula tract. (E) Postoperative 12-month axial STIR MRI showing complete fistula healing. Arrows indicate fistula location.