High-frequency Ultrasound
High-frequency Ultrasound - Related Videos
14:20
High-frequency Ultrasound Imaging of the Abdominal Aorta
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2023
Source: Amelia R. Adelsperger, Evan H. Phillips, and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana High-frequency ultrasound systems are used to acquire high resolution images. Here, the use of a state-of-the-art system will be demonstrated to image the morphology and hemodynamics of small pulsatile arteries and veins found in mice and rats. Ultrasound is a relatively inexpensive, portable, and versatile method for the noninvasive...
10:02
High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
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Cited by 6 •
2015
This protocol describes the application of high-frequency ultrasound (HFUS) for imaging mouse cervical lymph nodes. This technique optimizes visualization and quantification of cervical lymph node morphology, volume and blood flow. Image-guided biopsy of cervical lymph nodes and processing of lymph tissue for histological evaluation is also demonstrated.
04:57
Non-Invasive High-Frequency Ultrasound and Doppler Imaging of Rat Brain Hemodynamics
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2025
Source: Giustetto, P., et. al., Non-invasive Parenchymal, Vascular and Metabolic High-frequency Ultrasound and Photoacoustic Rat Deep Brain Imaging. J. Vis. Exp. (2015)In this video, we demonstrate the use of high-frequency ultrasound and photoacoustic imaging to study the vasculature and hemoglobin content in the rat brain. This method provides detailed insights into cerebral perfusion and blood oxygenation, enabling non-invasive analysis of brain vascular structures and oxygen distribution.
10:39
Contrast Imaging in Mouse Embryos Using High-frequency Ultrasound
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Cited by 4 •
2015
Here, we present a protocol to inject ultrasound microbubble contrast agents into living, isolated late-gestation stage murine embryos. This method enables the study of perfusion parameters and of vascular molecular markers within the embryo using contrast-enhanced high-frequency ultrasound imaging.
03:22
Low Frequency Ultrasound Application: A Method to Determine the Effect of Sonication on Human Leukemia Cells
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2023
This video describes the selective damage of human leukemia cells by using low frequency ultrasound. This application of low frequency ultrasound in a preclinical in vitro condition demonstrates that cell destruction can be attained in order to examine and compare the effects of sonication on leukemia and normal cells.
FAQs
Increasing frequency shortens acoustic wavelength, allowing the system to distinguish structures that lie close together. The tradeoff is reduced penetration, so image quality depends on whether the target is superficial enough to return useful echoes. This relationship explains why high-frequency ultrasound is particularly suited to near-surface anatomy rather than deeper organs.
The transducer sends short acoustic pulses into the body and receives echoes returning from tissue interfaces. Differences in those returning signals are converted into an image that can display tissue layers and structural boundaries. In clinical assessment, this information helps reveal changes in superficial anatomy without relying on ionizing radiation.
Compared with frequencies commonly used in routine diagnostic ultrasound, high-frequency ultrasound prioritizes finer spatial resolution over deep penetration. That balance makes it better for detailed assessment of superficial structures, while routine lower-frequency examinations may be more suitable when imaging must reach farther into the body. The choice therefore depends on target depth and required detail.
The main consideration is the target's depth relative to the technique's penetration limit. Superficial tissues can benefit from improved spatial resolution, whereas deeper anatomy may not be represented adequately. Researchers and clinicians therefore match the frequency choice to the location of the structure and the level of detail needed for characterization or monitoring.
An examination focuses on obtaining detailed images of accessible, near-surface anatomy and evaluating tissue layers or structural changes. Depending on the clinical question, the resulting images may support assessment of the skin, eyes, blood vessels, or musculoskeletal structures. The procedure is therefore guided by the target region and the information needed about its structure.
In medicine, high-frequency ultrasound can characterize tissue layers, guide procedures, and monitor lesions. Its use extends across several superficial anatomical regions, including skin, eyes, blood vessels, and musculoskeletal structures. These applications take advantage of detailed imaging where the relevant anatomy lies close enough to the body surface for the sound waves to reach it.
The technique provides detailed structural information without ionizing radiation, supporting both clinical investigation and biomedical research. Researchers can use it to examine superficial anatomy, follow lesion-related structural changes, and explore targeted imaging methods. Its value comes from combining high spatial detail with a non-ionizing approach, while recognizing that penetration remains limited.