noviceto concludethat thereis no need to bother with attenuation correction in PET anyway,
in or der to obtain accurate quantifica tion. This conclusion would result from a …

Attenuation correction is a cornerstone in quantification of PET data. It ensures that some
more or less arbitrary counts per seconds are converted to true Becquerel per milliliter which …

is not compensated because attenuation is the major degrading factor in cardiac imaging.
However, when correction is made for attenuation, the artifacts created by these phenomena …

As the number of myocardial perfusion single photon emission compute tomography
(SPECT) studies performed in the United States has steadily declined over the past several …

MATERIALS AND METhODS Beta Probe The positron-sensitive probe shown in Figure 1
was built to measure the concentration of activity in blood (6). The probe consisted of a …

Positron emission tomography (PET) has contributed significantly to advance our
understanding of heart physiology and pathophysiology for more than 25 years. Initially, it …

Positron-emission tomography (PET) and radioactively labelled substrates permit metabolic
studies to be carried out in vivo and in situ with few if any limitations regarding the choice of …

New technologies are enabling nuclear physicians to get PET-quality images using SPECT
cameras. Positron imaging is poised to become a routine part of nuclear medicine. How will …

It is a well-known fact that attenuation correction is the prerequisite of quantification in PET. It
is, however, also the (necessarily related, but even more obvious) requirement that a …

Positron emission tomography (PET) is a noninvasive modality that produces tomographic
images of the distribution of a radionuclide-labeled tracer injected in the body. 1 As the …