NDLI: Design study on photoacoustic probe to detect prostate cancer using 3D Monte Carlo simulation and finite element method

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Biomedical Engineering Letters : Volume 4, Issue 2, June 2014

Biomedical Engineering Letters : Volume 4, Issue 1, March 2014

Biomedical Engineering Letters : Volume 3

Biomedical Engineering Letters : Volume 2

Biomedical Engineering Letters : Volume 1

Design study on photoacoustic probe to detect prostate cancer using 3D Monte Carlo simulation and finite element method

Content Provider	Springer Nature Link
Author	El Gohary, Sherif Hamdy Metwally, Mohamed Kilany Eom, Seyoung Jeon, Seung Hyun Byun, Kyung Min Kim, Tae Seong
Copyright Year	2014
Abstract	In this work, we propose an alternative photoacoustic probe based on transurethral laser illumination to a conventional transrectal photoacoustic imaging system suffering from a high optical absorption at a rectal wall and its surrounding tissues.We validate improved performance of the proposed scheme using 3-dimensional prostate model and analytical calculations such as Monte Carlo simulation and finite element method (FEM). Monte Carlo simulation and FEM are used to find the absorption profiles of photons and the accompanying temperature elevation and pressure signal generation.It is found that light source inside the urethra and ultrasound transducer on the rectal wall is an optimal combination to produce a high amplitude in pressure signal and a high signal-to-noise ratio in the reconstructed image. Design study on light source geometry such as beam shape, beam size and gap distance between two light sources is also performed to improve an absorption efficiency at the prostate cancer.Our study will be helpful in determining an optimized probe design of photoacoustic imaging system for advancing the detection of prostate cancer.
Starting Page	250
Ending Page	257
Page Count	8
File Format	PDF
ISSN	20939868
Journal	Biomedical Engineering Letters
Volume Number	4
Issue Number	3
e-ISSN	2093985X
Language	English
Publisher	The Korean Society of Medical and Biological Engineering
Publisher Date	2014-10-18
Publisher Place	Korea
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Photoacoustic detection Prostate cancer 3-Dimensional Monte Carlo simulation Finite element method Transurethral laser illumination Geometry optimization of light source Biomedical Engineering Biophysics and Biological Physics Biomedicine general Medical and Radiation Physics
Content Type	Text
Resource Type	Article
Subject	Biomedical Engineering

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