Impact of iterative reconstruction with resolution recovery in myocardial perfusion SPECT: phantom and clinical studies.

ABSTRACT: The corrections of photon attenuation, scatter, and depth-dependent blurring improve image quality in myocardial perfusion single-photon emission computed tomography (SPECT) imaging; however, the combined corrections induce artifacts. Here, we present the single correction method of depth-dependent blurring and its impact for myocardial perfusion distribution in phantom and clinical studies. The phantom and clinical patient images were acquired with two conditions: circular and noncircular orbits of gamma cameras yielded constant and variable depth-dependent blurring, respectively. An iterative reconstruction with the correction method of depth-dependent was used to reconstruct the phantom and clinical patient images. We found that the single correction method improved the robustness of ph

SUBMITTER: Okuda K 

PROVIDER: S-EPMC6928019 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature