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7 May 2012 In vivo three-dimensional photoacoustic imaging based on a clinical matrix array ultrasound probe
Yu Wang, Zijian Guo, Lihong V. Wang, Todd N. Erpelding, Ladislav Jankovic, Jean-Luc Robert, Guillaume David
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Journal of Biomedical Optics, Vol. 17, Issue 6, 061208 (May 2012). https://doi.org/10.1117/1.JBO.17.6.061208
Abstract
We present an integrated photoacoustic and ultrasonic three-dimensional (3-D) volumetric imaging system based on a two-dimensional (2-D) matrix array ultrasound probe. A wavelength-tunable dye laser pumped by a Q-switched Nd:YAG laser serves as the light source and a modified commercial ultrasound imaging system (iU22, Philips Healthcare) with a 2-D array transducer (X7-2, Philips Healthcare) detects both the pulse-echo ultrasound and photoacoustic signals. A multichannel data acquisition system acquires the RF channel data. The imaging system enables rendering of co-registered 3-D ultrasound and photoacoustic images without mechanical scanning. The resolution along the azimuth, elevation, and axial direction are measured to be 0.69, 0.90 and 0.84 mm for photoacoustic imaging. In vivo 3-D photoacoustic mapping of the sentinel lymph node was demonstrated in a rat model using methylene blue dye. These results highlight the clinical potential of 3-D PA imaging for identification of sentinel lymph nodes for cancer staging in humans.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
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Yu Wang, Zijian Guo, Lihong V. Wang, Todd N. Erpelding, Ladislav Jankovic, Jean-Luc Robert, and Guillaume David "In vivo three-dimensional photoacoustic imaging based on a clinical matrix array ultrasound probe," Journal of Biomedical Optics 17(6), 061208 (7 May 2012). https://doi.org/10.1117/1.JBO.17.6.061208
Published: 7 May 2012
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Cited by 64 scholarly publications and 5 patents.
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KEYWORDS
3D image processing
Imaging systems
Data acquisition
Ultrasonography
3D acquisition
In vivo imaging
Photoacoustic spectroscopy
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