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Related Concept Videos

Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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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Related Experiment Video

Updated: Jun 13, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
09:11

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy

Published on: April 9, 2019

Vibro-elastography for visualization of the prostate region: method evaluation.

Seyedeh Sara Mahdavi1, Mehdi Moradi, Xu Wen

  • 1Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, Canada. tims@ece.ubc.ca

Medical Image Computing and Computer-Assisted Intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
|April 30, 2010
PubMed
Summary
This summary is machine-generated.

Vibro-elastography (VE), an ultrasound imaging technique, provides more accurate prostate 3D volumes than standard methods. This advanced visualization enhances prostate segmentation and aids in interventional procedures like brachytherapy.

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Related Experiment Videos

Last Updated: Jun 13, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
09:11

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy

Published on: April 9, 2019

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
06:08

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound

Published on: March 21, 2025

Area of Science:

  • Medical Imaging
  • Biophysics
  • Ultrasound Technology

Background:

  • Prostate imaging and segmentation are crucial for diagnosis and treatment.
  • Conventional B-mode ultrasound has limitations in visualizing prostate anatomy accurately.
  • MRI is the gold standard but can be costly and less accessible.

Purpose of the Study:

  • To evaluate vibro-elastography (VE) for prostate visualization and segmentation.
  • To compare the accuracy of VE imaging with MRI and conventional B-mode imaging.
  • To introduce novel image analysis measures for noisy elastographic data.

Main Methods:

  • Utilized vibro-elastography, an ultrasound-based method measuring tissue viscoelasticity.
  • Compared 3D prostate volumes generated by VE with MRI (gold standard) and B-mode imaging.
  • Developed and applied new quantitative measures for edge strength and continuity in noisy images.

Main Results:

  • VE imaging produced more accurate 3D prostate gland volumes compared to conventional B-mode ultrasound.
  • Novel measures and contrast-to-noise ratio confirmed VE's utility for prostate imaging.
  • VE effectively mapped tissue viscoelastic properties and improved anatomical visualization.

Conclusions:

  • Vibro-elastography is a valuable tool for accurate prostate visualization and segmentation.
  • VE enhances anatomical detail beyond conventional ultrasound, aiding interventional procedures.
  • VE shows promise as an integral component in procedures like brachytherapy.