SYSTEM AND METHOD FOR OPTIMAL COMBINING OF COMPUTED TOMOGRAPHY AND POSITRON EMISSION TOMOGRAPHY IMAGING FOR ATTENUATED CORRECTION AND IMPROVED DIAGNOSIS

Abstract: a method includes reconstructing a computed tomography image of a subject based on computed tomography scan data acquired at a determined respiratory phase with a computed tomography scanner. the method includes generating an attenuation map from the ct image and obtaining positron emission tomography scan data of the subject acquired over multiple respiratory cycles with a positron emission tomography scanner. the method includes gating the positron emission tomography scan data into different respiratory phases and reconstructing a positron emission tomography image utilizing only the positron emission tomography scan data acquired at a same respiratory phase as the determined respiratory phase and the attenuation map from the ct image.

Inventor(s): Gil Kovalski

CPC Classification: A61B6/037 ({Emission tomography})

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