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Reducing loss of image quality because of the attenuation artifact in uncorrected PET whole-body images
Journal of Nuclear Medicine
In whole-body PET, it is not unusual to shorten the study time by omitting the transmission scan and to ignore attenuation during reconstruction. If a transmission scan is available, many centers reconstruct the images with, but also without, attenuation correction. Although ignoring attenuation leads to an artifact in the reconstructed images, these images still provide valuable diagnostic information in oncologic applications. Several authors have reported that the attenuation artifact maypmid:12163632 fatcat:q6ypxdjvivcrxfzketttbnvp6e