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

Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

711
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
711
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

7.3K
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...
7.3K

You might also read

Related Articles

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

Sort by
Same author

Hemodynamic Assessment of Carotid Artery Stenosis Using 4D Flow MRI: Complementary Insights Beyond Morphological Severity.

Academic radiology·2026
Same author

Multiparametric analysis using MRI after preoperative embolization in meningioma: a preliminary study.

Radiological physics and technology·2026
Same author

Ligand-dependent reprogramming of HNF4A expression and function suppresses multistep hepatocarcinogenesis.

Molecular therapy. Oncology·2026
Same author

Calibration of diffusion MRI measurements using aqueous glycerin phantoms with controlled viscosity.

Radiological physics and technology·2026
Same author

Fat-suppression performance for in-stent plaque imaging after carotid artery stenting using three-dimensional T<sub>1</sub>-weighted MRI: a phantom study.

Physical and engineering sciences in medicine·2026
Same author

Neurofluid fluctuation analysis using dynamical network biomarker MRI in idiopathic normal pressure hydrocephalus.

Magnetic resonance imaging·2026

Related Experiment Video

Updated: Mar 26, 2026

Author Spotlight: Advancing Labor Management Through Electromyometrial Imaging for Understanding Uterine Contractions
08:07

Author Spotlight: Advancing Labor Management Through Electromyometrial Imaging for Understanding Uterine Contractions

Published on: May 26, 2023

2.0K

[An Examination for Uterine Dynamic Study with Phase-sensitive Inversion-recovery].

Yasuo Takatsu1, Shunichi Motegi, Tosiaki Miyati

  • 1Department of Radiology, Osaka Red Cross Hospital.

Nihon Hoshasen Gijutsu Gakkai Zasshi
|January 23, 2016
PubMed
Summary

Optimizing magnetic resonance imaging (MRI) parameters for phase-sensitive inversion-recovery (PSIR) significantly improves contrast in uterine dynamic studies. This enhanced contrast aids in assessing endometrial carcinoma myometrial invasion depth for better surgical planning.

More Related Videos

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation
06:56

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation

Published on: January 7, 2021

2.9K
Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System
07:34

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System

Published on: May 5, 2018

12.5K

Related Experiment Videos

Last Updated: Mar 26, 2026

Author Spotlight: Advancing Labor Management Through Electromyometrial Imaging for Understanding Uterine Contractions
08:07

Author Spotlight: Advancing Labor Management Through Electromyometrial Imaging for Understanding Uterine Contractions

Published on: May 26, 2023

2.0K
Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation
06:56

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation

Published on: January 7, 2021

2.9K
Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System
07:34

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System

Published on: May 5, 2018

12.5K

Area of Science:

  • Radiology
  • Oncology
  • Medical Imaging

Context:

  • Endometrial carcinoma staging relies on accurate assessment of myometrial invasion depth.
  • Preoperative evaluation of myometrial invasion is crucial for surgical planning and patient prognosis.
  • Current MRI techniques may require optimization for enhanced visualization of myometrium-endometrium interfaces.

Purpose:

  • To optimize phase-sensitive inversion-recovery (PSIR) sequence parameters for gadolinium-enhanced dynamic MRI of the uterine corpus.
  • To improve the contrast-to-noise ratio (CNR) between the myometrium and endometrium, particularly in the presence of endometrial carcinoma.
  • To compare the optimized PSIR sequence performance against the e-Thrive sequence for uterine imaging.

Summary:

  • The study optimized 3D T1-turbo field echo (TFE) with PSIR sequence parameters, including TFE inversion delay time, flip angle (FA), TFE factor, and shot interval (SI).
  • Optimal parameters identified were: TFE inversion delay time of 335 ms, FA of 25 degrees, TFE factor of 20, and SI of 500 ms.
  • The optimized PSIR sequence demonstrated a 1.7-fold higher average CNR compared to e-Thrive in phantom studies, with a maximum increase of 3-fold.

Impact:

  • Optimized PSIR sequence parameters enhance visualization of myometrial invasion in endometrial carcinoma.
  • Improved contrast in dynamic uterine MRI facilitates more accurate preoperative assessment.
  • This optimization contributes to better surgical planning and potentially improved patient outcomes in endometrial cancer management.