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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Related Experiment Video

Updated: Jul 15, 2025

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
07:41

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

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MRI-Based Radiomics Analysis of Levator Ani Muscle for Predicting Urine Incontinence after Robot-Assisted Radical

Mohammed Shahait1, Ruben Usamentiaga2, Yubing Tong3

  • 1Department of Surgery, Clemenceau Medical Center, Dubai P.O. Box 124412, United Arab Emirates.

Diagnostics (Basel, Switzerland)
|September 28, 2023
PubMed
Summary
This summary is machine-generated.

Patient age and levator ani (LA) muscle texture on MRI can predict urinary incontinence after prostatectomy. This radiomic analysis offers a new way to identify men at higher risk for post-surgery incontinence.

Keywords:
MRIprostate cancerradiomics

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Area of Science:

  • Urology
  • Radiology
  • Medical Imaging

Background:

  • The role of the levator ani (LA) muscle in male urinary continence is not fully understood.
  • Prostatectomy can lead to postoperative incontinence, impacting quality of life.

Purpose of the Study:

  • To characterize MRI-derived radiomic features of the LA muscle.
  • To investigate the association between these features and postoperative incontinence in men after prostatectomy.

Main Methods:

  • Retrospective analysis of 140 patients undergoing robot-assisted radical prostatectomy (RARP).
  • Utilized an optimal biomarker (OBM) method for feature extraction from preoperative MRI (morphological, intensity, texture).
  • Developed mathematical models using LA muscle features and clinical variables to predict continence outcomes.

Main Results:

  • Patient age and LA muscle texture features were significant discriminators of continence.
  • A classifier using six features (age, LA texture, LA size ratio) achieved 0.84 accuracy.
  • The model demonstrated high predictive performance with an AUC of 0.89.

Conclusions:

  • Increased patient age and specific LA muscle texture properties are associated with higher odds of incontinence post-RARP.
  • The proposed radiomic approach effectively distinguishes and predicts continence outcomes with high accuracy.