A Hot New Development: Photoacoustic Imaging

  • Author: Martin Rothlisberger
  • Published: 10 November 2011
  • Copyright: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
  • Source / Publisher: Contrast Media & Molecular Imaging/John Wiley & Sons, Ltd.
thumbnail image: A Hot New Development: Photoacoustic Imaging

Photoacoustic tomography (PAT) utilizes a short-pulsed laser light to induce thermo-elastic expansion of proteins such as hemoglobin and contrast agents, which then produce pressure waves (photoacoustic waves) that are received on a wide-band ultrasonic transducer and converted to images.

Although photoacoustic imaging is a nascent technology, it has received broad interest for clinical translation by major manufacturers of biomedical imaging instrumentation. Within the last year, VisualSonics Inc. and Endra Inc. have already brought animal research scanners to the market to support contrast development.


Gregory M. Lanza, Department of Medicine at the Washington University Medical School, St Louis, MO, USA, has compiled a special issue on photoacoustic or optoacoustic Imaging for the journal Contrast Media & Molecular Imaging.

For the reader, this special issue provides a definitive presentation of the photoacoustic imaging and related contrast agents, which we hope will enthuse experimentation to advance and refine these technologies for basic and clinical applications. Photoacoustic Tomography, or short PAT, is a new acronym to remember!


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