Figure 4 Simple perianal fistula

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Presentation transcript:

Figure 4 Simple perianal fistula Figure 4 | Simple perianal fistula. a | Coronal T2-weighted MRI showing a single left low intersphincteric fistula (arrows) with a single external opening and without extensions or associated collection. b | Coronal gadolinium-enhanced T1 sequence with fat saturation showing the enhancement of the fistula track (arrows). c | Depicts the same fistula from (part a) and (part b) on axial T2-weighted imaging with fat saturation, showing marked signal intensity (arrow). The rectal wall (not seen) was normal on MRI. The total van Assche MRI activity score was 10. Panés, J. & Rimola, J. (2017) Perianal fistulizing Crohn’s disease: pathogenesis, diagnosis and therapy Nat. Rev. Gastroenterol. Hepatol. doi:10.1038/nrgastro.2017.104