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Updated: Feb 26, 2026

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
Published on: April 17, 2019
Differences between genders in colorectal morphology on CT colonography using a quantitative approach: a pilot study
Charles N Weber1, Jason A Poff2, Anna S Lev-Toaff3
1Massachusetts General Hospital, Department of Radiology, Boston, MA, United States.
Purpose:
To explore quantitative differences between genders in morphologic colonic metrics and determine metric reproducibility.
Methods:
Quantitative colonic metrics from 20 male and 20 female CTC datasets were evaluated twice by two readers; all exams were performed after incomplete optical colonoscopy. Intra-/inter-reader reliability was measured with intraclass correlation coefficient (ICC) and concordance correlation coefficient (CCC).
Results:
Women had overall decreased colonic volume, increased tortuosity and compactness and lower sigmoid apex height on CTC compared to men (p<0.0001,all). Quantitative measurements in colonic metrics were highly reproducible (ICC=0.9989 and 0.9970; CCC=0.9945).
Conclusion:
Quantitative morphologic differences between genders can be reproducibility measured.
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