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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...

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Updated: Apr 6, 2026

Clinical Imaging of Microwave Mammography

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

Optical imaging for breast cancer prescreening.

Anuradha Godavarty¹, Suset Rodriguez¹, Young-Jin Jung²

¹Optical Imaging Laboratory, Department of Biomedical Engineering, Florida International University, Miami, FL, USA.

Breast Cancer (Dove Medical Press)

|August 1, 2015

Summary

New optical imaging devices offer a low-cost, non-radiative alternative for breast cancer prescreening. These portable tools complement clinical breast examination (CBE) and self-breast examinations (SBEs) by improving early detection accuracy.

Keywords:

breast cancer diffuse optical imaging early detection hand-held devices near-infrared prescreening

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Area of Science:

Biomedical Optics
Medical Imaging
Oncology

Background:

Current breast cancer prescreening methods like clinical breast examination (CBE) and self-breast examinations (SBEs) suffer from high false-positive rates.
There is a critical need for advanced prescreening tools that are cost-effective, noninvasive, non-radiative, and portable.
Optical imaging modalities present a promising alternative to complement existing breast cancer detection strategies.

Purpose of the Study:

To review the development and application of hand-held optical imaging devices for early-stage breast cancer detection.
To evaluate the potential of these devices as prescreening tools to improve diagnostic accuracy.
To introduce a novel wide-field fiber-free near-infrared optical scanner developed for transillumination breast imaging.

Main Methods:

Comprehensive review of existing literature on optical imaging devices for breast cancer prescreening.
Development and testing of a wide-field fiber-free near-infrared optical scanner.
Phantom and preliminary in vivo imaging studies using the developed optical scanner on normal breast tissues.

Main Results:

Various optical imaging devices have been developed and studied for breast cancer detection and prescreening.
Preliminary in vivo studies demonstrated the capability of the developed optical scanner to detect absorption-contrasted targets up to 8.8 cm deep in normal breast tissue.
The developed scanner utilizes transillumination for breast imaging.

Conclusions:

Hand-held optical imaging devices show significant potential as non-radiative, portable prescreening tools for early breast cancer detection.
The novel near-infrared optical scanner is a promising development for breast imaging, with potential to complement X-ray mammography.
Further in vivo studies on breast cancer subjects are warranted to validate its efficacy against the gold standard.