To Evaluate and Explain the Consequences of Abnormal Anal Sphincter Morphology Using the 3-Dimensional Endosonography

<div>2D TRUS showing abnormal diffuse thickening of internal anal sphincter (IS) with normal external anal sphincter (ES).</div>

Advances in Radiology

Figure 4: To Evaluate and Explain the Consequences of Abnormal Anal Sphincter Morphology Using the 3-Dimensional Endosonography 