Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

2.8K
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...
2.8K
Hooke's Law01:26

Hooke's Law

1.4K
Hooke's law, a pivotal principle in material science, establishes that the strain a material undergoes is directly proportional to the applied stress, defined by a factor called the modulus of elasticity or Young's modulus.
1.4K
Strain and Elastic Modulus01:15

Strain and Elastic Modulus

8.6K
The quantity that describes the deformation of a body under stress is known as strain. Strain is given as a fractional change in either length, volume, or geometry under tensile, volume (also known as bulk), or shear stress, respectively, and is a dimensionless quantity. The strain experienced by a body under tensile or compressive stress is called tensile or compressive strain, respectively. In contrast, the strain experienced under bulk stress and shear stress is known as volume and shear...
8.6K
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

502
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
502
Elastic Strain Energy for Normal Stresses01:22

Elastic Strain Energy for Normal Stresses

523
Strain energy quantifies the energy stored within a material due to deformation under loading conditions, a fundamental concept in materials science and engineering. The strain energy can be modeled when a material is subjected to axial loading with uniformly distributed stress. In this scenario, the stress experienced by the material is the internal force divided by the cross-sectional area, and the strain induced is directly proportional to this stress through the modulus of elasticity.
If...
523
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

467
Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
467

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Refining the Predictive Accuracy of Membranous Urethral Length for Post-Prostatectomy Incontinence: A Standardized Approach in the Korean Population.

Journal of clinical medicine·2026
Same author

A unified framework for postoperative complications after gastrectomy for gastric cancer: insights from the Korean Quality Improvement Platform in Surgery program.

Annals of surgical treatment and research·2026
Same author

Early Detection of Biochemical Recurrence in Prostate Cancer Patients with PSA Levels ≤0.5 ng/mL; Comparison Study between [¹⁸F]PSMA-1007 and [⁶⁸Ga]Ga-PSMA-11 PET/CT.

The world journal of men's health·2026
Same author

Thulium Fiber Laser Versus Holmium Laser for Ureteroscopic Lithotripsy: A Systematic Review and Meta-Analysis.

Medicina (Kaunas, Lithuania)·2026
Same author

Endoscopic combined intrarenal surgery: From percutaneous nephrolithotomy to the future of stone management.

Investigative and clinical urology·2026
Same author

Efficacy and Toxicity in Scheduled Intravesical Gemcitabine Versus Bacillus Calmette-Guérin for Bladder Cancer: A Systematic Review and Meta-Analysis.

Cancers·2026

Related Experiment Video

Updated: Jan 4, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
05:25

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

19.8K

Relationship between Lower Urinary Tract Symptoms and Prostatic Urethral Stiffness Using Strain Elastography: Initial

Jong Kyou Kwon1, Do Kyung Kim2, Joo Yong Lee3

  • 1Department of Urology, Severance Check-Up, Health Promotion Center, Severance Hospital, Seoul 04527, Korea.

Journal of Clinical Medicine
|November 14, 2019
PubMed
Summary

Higher periurethral stiffness in men is linked to increased lower urinary tract symptoms (LUTS). Strain elastography using transrectal ultrasonography (TRUS) can help identify these stiffness patterns and their association with LUTS.

Keywords:
elastographylower urinary tract symptomsprostatic hyperplasia

More Related Videos

How to Study Basement Membrane Stiffness as a Biophysical Trigger in Prostate Cancer and Other Age-related Pathologies or Metabolic Diseases
13:18

How to Study Basement Membrane Stiffness as a Biophysical Trigger in Prostate Cancer and Other Age-related Pathologies or Metabolic Diseases

Published on: September 20, 2016

10.1K
Iatrogenic Injury Recapitulated: Electroexcision Technique for Urethral Stricture Modeling in Rats
03:37

Iatrogenic Injury Recapitulated: Electroexcision Technique for Urethral Stricture Modeling in Rats

Published on: October 11, 2024

667

Related Experiment Videos

Last Updated: Jan 4, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
05:25

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

19.8K
How to Study Basement Membrane Stiffness as a Biophysical Trigger in Prostate Cancer and Other Age-related Pathologies or Metabolic Diseases
13:18

How to Study Basement Membrane Stiffness as a Biophysical Trigger in Prostate Cancer and Other Age-related Pathologies or Metabolic Diseases

Published on: September 20, 2016

10.1K
Iatrogenic Injury Recapitulated: Electroexcision Technique for Urethral Stricture Modeling in Rats
03:37

Iatrogenic Injury Recapitulated: Electroexcision Technique for Urethral Stricture Modeling in Rats

Published on: October 11, 2024

667

Area of Science:

  • Urology
  • Medical Imaging
  • Prostate Health

Background:

  • Lower urinary tract symptoms (LUTS) significantly impact men's quality of life.
  • The role of prostatic urethral stiffness in LUTS pathophysiology requires further investigation.
  • Strain elastography offers a non-invasive method to assess tissue stiffness.

Purpose of the Study:

  • To visualize periurethral stiffness of prostatic urethras using strain elastography.
  • To evaluate the relationship between periurethral stiffness patterns and LUTS.
  • To determine if periurethral stiffness is an independent predictor of LUTS.

Main Methods:

  • Transrectal ultrasonography (TRUS) with strain elastography was performed in midsagittal plane.
  • Prostate and zonal stiffness patterns were evaluated in 250 men.
  • Men were categorized into low (Group A, N=80) and high (Group B, N=101) periurethral stiffness groups based on elastography.

Main Results:

  • Significant differences were observed between groups in age, transitional zone volume, total IPSS, IPSS-voiding, IPSS-storage, and QoL scores.
  • After adjustment, high periurethral stiffness remained significantly associated with higher total IPSS, IPSS-voiding subscore, and QoL score.
  • Men with high periurethral stiffness reported worse urinary symptoms.

Conclusions:

  • Periurethral stiffness assessed by strain elastography is associated with the severity of LUTS.
  • Increased periurethral stiffness may play a crucial role in the development and progression of LUTS.
  • Strain elastography is a promising tool for evaluating prostatic urethral stiffness in the context of LUTS.