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Updated: May 6, 2026

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
Published on: April 17, 2019
Magnetic resonance imaging of pelvic floor dysfunction
Neeraj Lalwani1, Mariam Moshiri, Jean H Lee
1Department of Radiology, University of Washington, Box 359728, 325 9th Avenue, Seattle, WA 98104-2499, USA.
Pelvic floor dysfunction affects many women and can be misdiagnosed. Functional magnetic resonance (MR) imaging offers a dynamic view, aiding in surgical planning for pelvic organ prolapse.
Area of Science:
- Pelvic floor imaging
- Women's health imaging
- Functional MRI
Background:
- Pelvic floor dysfunction is a common, complex issue in multiparous and postmenopausal women.
- It is frequently associated with pelvic organ descent.
- Physical examination may underestimate dysfunction severity and lead to misdiagnosis.
Purpose of the Study:
- To review the anatomy and pathology of pelvic floor dysfunction.
- To discuss typical imaging findings in pelvic floor disorders.
- To evaluate the role of functional magnetic resonance (MR) imaging in assessing pelvic floor dynamics.
Main Methods:
- Review of relevant literature on pelvic floor dysfunction and imaging.
- Discussion of functional MR imaging techniques for pelvic floor assessment.
- Analysis of imaging findings in relation to clinical presentation.
Main Results:
- Functional MR imaging provides dynamic evaluation of pelvic floor muscles and organs.
- It can reveal extent of prolapse and functional deficits not apparent on physical exam.
- Imaging findings correlate with surgical outcomes and aid in planning.
Conclusions:
- Functional MR imaging is a valuable tool for diagnosing and managing pelvic floor dysfunction.
- It improves surgical triage and operative planning for pelvic organ prolapse.
- This technique enhances understanding of pelvic floor dynamics.
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