the PCL to identify patients with pathologic PC descent. Objectives: To assess the extents of pelvic floor descent With the adapted cutoff, only 15% of healthy volunteers both during the maximal straining phase and the show pathologic PC descent during defecation. defecation phase in healthy volunteers and in patients Conclusion: MRD measurements during straining and with pelvic floor disorders, studied with MR defecogra- defecation can be used to differentiate patients with phy (MRD), and to define specific threshold values for pelvic floor dysfunction from healthy volunteers. How- pelvic floor descent during the defecation phase. ever, different cutoff values should be used during Material and methods: Twenty-two patients (mean age straining and during defecation to define normal or 51 ± 19.4) with obstructed defecation and 20 healthy pathologic PC descent. volunteers (mean age 33.4 ± 11.5) underwent 3.0T MRD in supine position using midsagittal T2-weighted images. Key words: Obstructed defecation—Pelvic ﬂoor Two radiologists performed measurements in reference descent—MR defecography—Pelvic ﬂoor to PCL-lines in straining and during defecation. In order disorder—PCL to identify cutoff values of pelvic floor measurements for diagnosis of pathologic pelvic floor descent [anterior, middle, and posterior compartments (AC, MC, PC)], Magnetic resonance defecography (MRD) has become a
Abdominal Radiology – Springer Journals
Published: Jun 1, 2018
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