Scintillator performance considerations for dedicated breast computed tomography

Srinivasan Vedantham; Linxi Shi; Andrew Karellas

doi:10.1117/12.2279225

14 September 2017 Scintillator performance considerations for dedicated breast computed tomography

Srinivasan Vedantham; Linxi Shi; Andrew Karellas

Author Affiliations +

Proceedings Volume 10393, Radiation Detectors in Medicine, Industry, and National Security XVIII; 103930M (2017) https://doi.org/10.1117/12.2279225
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

Dedicated breast computed tomography (BCT) is an emerging clinical modality that can eliminate tissue superposition and has the potential for improved sensitivity and specificity for breast cancer detection and diagnosis. It is performed without physical compression of the breast. Most of the dedicated BCT systems use large-area detectors operating in cone-beam geometry and are referred to as cone-beam breast CT (CBBCT) systems. The large-area detectors in CBBCT systems are energy-integrating, indirect-type detectors employing a scintillator that converts x-ray photons to light, followed by detection of optical photons. A key consideration that determines the image quality achieved by such CBBCT systems is the choice of scintillator and its performance characteristics. In this work, a framework for analyzing the impact of the scintillator on CBBCT performance and its use for task-specific optimization of CBBCT imaging performance is described.

Citation Download Citation

Srinivasan Vedantham, Srinivasan Vedantham, Linxi Shi, Linxi Shi, Andrew Karellas, Andrew Karellas, } "Scintillator performance considerations for dedicated breast computed tomography", Proc. SPIE 10393, Radiation Detectors in Medicine, Industry, and National Security XVIII, 103930M (14 September 2017); doi: 10.1117/12.2279225; https://doi.org/10.1117/12.2279225

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