Erschienen in:
01.08.2012 | Original Article
Variation of distances from mid-urethra to the obturator foramen: an MRI study
verfasst von:
Petr Hubka, Stergios K. Doumouchtsis, Mitchell B. Berger, John O. DeLancey
Erschienen in:
International Urogynecology Journal
|
Ausgabe 8/2012
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Abstract
Introduction and hypothesis
To estimate distances from the mid-urethra to the obturator foramina and to explore correlations between pelvic dimensions and body height.
Methods
This is a secondary analysis of a parent case–control study on the mechanisms of stress urinary incontinence. We measured pelvic dimensions on magnetic resonance images of women with (cases, n = 50) and without (controls, n = 50) stress urinary incontinence.
Results
The mean distance from mid-urethra to the obturator membrane among cases is 31.8 mm (left) and 32.1 mm (right), with a range from 25.9 to 42.0 mm. There were no significant differences in these distances when comparing left with right, or cases with controls. Weak correlation was found between the urethra-to-obturator foramina distances and heights only in the case subjects.
Conclusion
There is high variability in the distance from mid-urethra to the obturator foramina. Height should not be used as a predictor of dimensions in the lesser pelvis.