What modality of imaging provides less noise when reconstructed to a PET or single-photon emission tomography (SPECT) image compared to traditional measured attenuation correction?

Question

Quizplus · Accepted Answer

Computed tomography (CT) provides less noise when used for attenuation correction in PET or SPECT imaging compared to traditional methods, due to its high-resolution anatomical information.

What Modality of Imaging Provides Less Noise When Reconstructed to a PET