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Insights into Imaging
Fig. 12 | Insights into Imaging

Fig. 12

From: MRI for assessment of anal fistula

Fig. 12

The internal sphincter and anal mucosa (white arrow) normally show marked contrast enhancement (as shown on this axial T1-weighted image with fat-saturation) and higher signal on T2-weighted images. The external sphincter does not demonstrate the same amount of contrast enhancement

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