A novel three-dimensional dynamic anorectal ultrasonography technique for the assessment of perineal descent, compared with defaecography

Aim  The purpose of the study was to describe a novel three‐dimensional dynamic anorectal ultrasonography technique (dynamic 3‐DAUS) for assessment of perineal descent (PD) and establishment of normal range values, comparing it with defaecography. Secondarily, the study compares the ability of the t...

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