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Proceedings Paper

Photon counting readout pixel array in 0.18-µm CMOS technology for on-line gamma-ray imaging of 103-palladium seeds for permanent breast seed implant (PBSI) brachytherapy
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Paper Abstract

Permanent breast seed implant (PBSI) brachytherapy technique was recently introduced as an alternative to high dose rate (HDR) brachytherapy and involves the permanent implantation of radioactive 103Palladium seeds into the surgical cavity of the breast for cancer treatment. To enable accurate seed implantation, this research introduces a gamma camera based on a hybrid amorphous selenium detector and CMOS readout pixel architecture for real-time imaging of 103Palladium seeds during the PBSI procedure. A prototype chip was designed and fabricated in 0.18-μm n-well CMOS process. We present the experimental results obtained from this integrated photon counting readout pixel.

Paper Details

Date Published: 18 March 2008
PDF: 12 pages
Proc. SPIE 6913, Medical Imaging 2008: Physics of Medical Imaging, 69130S (18 March 2008); doi: 10.1117/12.770766
Show Author Affiliations
A. H. Goldan, Univ. of Waterloo (Canada)
K. S. Karim, Univ. of Waterloo (Canada)
A. Reznik, Sunnybrook Health Sciences Ctr. (Canada)
C. B. Caldwell, Sunnybrook Health Sciences Ctr. (Canada)
J. A. Rowlands, Sunnybrook Health Sciences Ctr. (Canada)


Published in SPIE Proceedings Vol. 6913:
Medical Imaging 2008: Physics of Medical Imaging
Jiang Hsieh; Ehsan Samei, Editor(s)

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