Uterosacral ligament deep endometriosis nodule causing hydroureter

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A hypoechoic deep endometriosis nodule is noted within the hyperechoic uterosacral ligament, infiltrating the parametrium

A hypoechoic deep endometriosis nodule is noted within the hyperechoic uterosacral ligament, infiltrating the parametrium. In this case, the ipsilateral ureter is extrinsically compressed by the nodule, resulting in a hydroureter. This is depicted by the tubular anechoic structure.

For more information: Noninvasive ultrasound diagnosis of endometriosis

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