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Journal of Biomedical Optics • new

Photoacoustic imaging probe for detecting lymph nodes and spreading of cancer at various depths
Author(s): Yong-Jae Lee; Eun-Ju Jeong; Hyun-Woo Song; Chang-Geun Ahn; Hyung Wook Noh; Joo Yong Sim; Dong Hoon Song; Min Yong Jeon; Susung Lee; Heewon Kim; Meihua Zhang; Bong Kyu Kim
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Paper Abstract

We propose a compact and easy to use photoacoustic imaging (PAI) probe structure using a single strand of optical fiber and a beam combiner doubly reflecting acoustic waves for convenient detection of lymph nodes and cancers. Conventional PAI probes have difficulty detecting lymph nodes just beneath the skin or simultaneously investigating lymph nodes located in shallow as well as deep regions from skin without any supplementary material because the light and acoustic beams are intersecting obliquely in the probe. To overcome the limitations and improve their convenience, we propose a probe structure in which the illuminated light beam axis coincides with the axis of the ultrasound. The developed PAI probe was able to simultaneously achieve a wide range of images positioned from shallow to deep regions without the use of any supplementary material. Moreover, the proposed probe had low transmission losses for the light and acoustic beams. Therefore, the proposed PAI probe will be useful to easily detect lymph nodes and cancers in real clinical fields.

Paper Details

Date Published: 25 April 2017
PDF: 6 pages
J. Biomed. Opt. 22(9) 091513 doi: 10.1117/1.JBO.22.9.091513
Published in: Journal of Biomedical Optics Volume 22, Issue 9
Show Author Affiliations
Yong-Jae Lee, Electronics and Telecommunications Research Institute (Republic of Korea)
Chungnam National Univ. (Republic of Korea)
Eun-Ju Jeong, Electronics and Telecommunications Research Institute (Republic of Korea)
Hyun-Woo Song, Electronics and Telecommunications Research Institute (Republic of Korea)
Chang-Geun Ahn, Electronics and Telecommunications Research Institute (Republic of Korea)
Hyung Wook Noh, Electronics and Telecommunications Research Institute (Republic of Korea)
Joo Yong Sim, Electronics and Telecommunications Research Institute (Republic of Korea)
Dong Hoon Song, Electronics and Telecommunications Research Institute (Republic of Korea)
Min Yong Jeon, Chungnam National Univ. (Republic of Korea)
Susung Lee, ALPINION MEDICAL SYSTEMS Co., Ltd. (Republic of Korea)
Heewon Kim, ALPINION MEDICAL SYSTEMS Co., Ltd. (Republic of Korea)
Meihua Zhang, Seoul National Univ. Hospital (Republic of Korea)
Bong Kyu Kim, Electronics and Telecommunications Research Institute (Republic of Korea)


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