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

Ultrasonography01:17

Ultrasonography

7.3K
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...
7.3K
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

348
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...
348

You might also read

Related Articles

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

Sort by
Same author

Resuscitative endovascular balloon occlusion of the aorta (REBOA) as a potential facilitator of definitive fascial closure in the open abdomen: a retrospective study in massive traumatic hemorrhage.

Journal of trauma and injury·2026
Same author

Impact of the simulation-based Airway and Catheter Cannulation Education-from Starters to Specialists (ACCESS) program for critical care procedures.

Journal of trauma and injury·2026
Same author

Effect of Reprocessed Micronized Acellular Dermal Matrix on Postoperative Dysphagia After Anterior Cervical Discectomy and Fusion: A Propensity Score-Matched Study.

Medicina (Kaunas, Lithuania)·2026
Same author

The Fluoroscopy Paradox: Radiation Exposure, Dose Optimization, and Occupational Risk in Full-Endoscopic and Biportal Spine Surgery-A Narrative Review.

Journal of clinical medicine·2026
Same author

i-Factor™ Bone Graft Versus Demineralized Bone Matrix for Single-Level Anterior Cervical Discectomy and Fusion: A Propensity Score-Matched Analysis.

Journal of clinical medicine·2026
Same author

Radiation Exposure in Minimally Invasive Cervical Spine Surgery: A Systematic Review.

Medicina (Kaunas, Lithuania)·2026

Related Experiment Video

Updated: Jan 14, 2026

Blood Flow Imaging with Ultrafast Doppler
05:57

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

8.3K

Compact programmable transmit scheme for contrast imaging using nonlinear difference-frequency ultrasound signals.

Dong Hun Kim1, Dong-Hyun Kang2, Jun Hong Park3

  • 1Bionics Research Center, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seoul 02791, Republic of Korea.

Medical Image Analysis
|October 25, 2025
PubMed
Summary

A new array-based ultrasound method enhances elastographic contrast imaging by using difference-frequency ultrasound (dfUS). This technique improves signal-to-noise ratio, sensitivity, and contrast compared to traditional methods.

Keywords:
Difference-frequency ultrasoundElastographic contrast imagingHigh-acoustic-impedance mismatchProgrammable transmit scheme

More Related Videos

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy
08:39

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

8.6K
A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions
10:21

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions

Published on: March 3, 2023

2.2K

Related Experiment Videos

Last Updated: Jan 14, 2026

Blood Flow Imaging with Ultrafast Doppler
05:57

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

8.3K
Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy
08:39

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

8.6K
A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions
10:21

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions

Published on: March 3, 2023

2.2K

Area of Science:

  • Biomedical Engineering
  • Acoustics
  • Medical Imaging

Background:

  • Nonlinear interaction of acoustic waves generates difference-frequency signals.
  • Difference-frequency ultrasound (dfUS) enables elastographic contrast imaging.
  • Previous dfUS methods used bulky, complex multi-transducer systems requiring mechanical steering.

Purpose of the Study:

  • To develop and evaluate a novel array-based approach for dfUS imaging.
  • To overcome limitations of previous dfUS systems, enabling electronic steering and scanning.
  • To assess the performance of the array-based dfUS scheme.

Main Methods:

  • Constructed a 64-element ring array from a commercial 32x32 2D matrix array.
  • Implemented an array-based scheme for customizable and programmable dfUS imaging.
  • Acquired traditional linear ultrasound and dfUS images of synthetic and ex vivo phantoms.

Main Results:

  • dfUS imaging demonstrated significantly higher signal-to-noise ratio (+14.8 dB).
  • dfUS imaging showed increased sensitivity (+58.5%) and contrast (+74.8 dB) over linear ultrasound.
  • A low mechanical index was used, indicating potential for higher transmit signal strengths.

Conclusions:

  • The proposed array-based dfUS imaging is a viable and advantageous alternative to previous methods.
  • This novel approach offers improved image quality and system efficiency for elastography.
  • Future work can explore higher transmit signal strengths for enhanced imaging capabilities.