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Proceedings Paper

Region-of-interest breast images with the Twente Photoacoustic Mammoscope (PAM)
Author(s): Srirang Manohar; Sanne E. Vaartjes; Johan G. C. van Hespen; Joost M. Klaase; Frank M. van den Engh; Andy K. H. The; Wiendelt Steenbergen; Ton G. van Leeuwen
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Paper Abstract

The Twente Photoacoustic Mammoscope (PAM) is based on generating laser-induced ultrasound from absorbing structures in the breast. The heart of the instrument is a flat PVDF based detector matrix comprising 590 active elements. The exciting source is an Nd:YAG laser operating at 1064 nm with 5 ns pulses. The instrument is built around a hospital bed. A study protocol was designed to explore the feasibility of using the photoacoustic technique as embodied in PAM to detect cancer in the breasts of patients with suspect/symptomatic breasts. The protocol was approved by a Medical Ethics testing committee and the instrument approved for laser and electrical safety. The protocol was executed at the Medisch Spectrum Twente by using the mammoscope to obtain photoacoustic region-of-interest (ROI) images of the suspect/symptomatic breasts. We report on one case and compare the photoacoustic images obtained with x-ray mammograms and ultrasound images.

Paper Details

Date Published: 13 February 2007
PDF: 9 pages
Proc. SPIE 6437, Photons Plus Ultrasound: Imaging and Sensing 2007: The Eighth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, 643702 (13 February 2007); doi: 10.1117/12.699995
Show Author Affiliations
Srirang Manohar, Univ. Twente (Netherlands)
Sanne E. Vaartjes, Univ. Twente (Netherlands)
Johan G. C. van Hespen, Univ. Twente (Netherlands)
Joost M. Klaase, Medisch Spectrum Twente (Netherlands)
Frank M. van den Engh, Medisch Spectrum Twente (Netherlands)
Andy K. H. The, Medisch Spectrum Twente (Netherlands)
Wiendelt Steenbergen, Univ. Twente (Netherlands)
Ton G. van Leeuwen, Univ. Twente (Netherlands)


Published in SPIE Proceedings Vol. 6437:
Photons Plus Ultrasound: Imaging and Sensing 2007: The Eighth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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