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at the 2011 Society of Nuclear Medicine Annual Meeting and summarizes the technical aspects of the novel technology PET/MRI in addition to emphasizing the areas where PET/MRI may make a significant impact. This manuscript paraphrases the Wagner Lecture delivered by B.R.
#What does the match status mean on petz 5 registration#
The wealth of information provided by MR enables PET/MR to go far beyond simple anatomical registration of PET molecular imaging, while the simultaneous acquisition of PET and MR data opens up opportunities impossible to realize using sequentially acquired data. Given the complementary nature of each modality’s strengths and weaknesses, integrating PET and MRI offers the opportunity to gain in a single examination many of the positive attributes of both, and mitigate some of their limitations. Furthermore absolute quantification of substrate concentration with MR remains challenging. On the other hand, the molar sensitivity of MR for different metabolites and probes is many orders of magnitude lower than that of PET, imposing significant restrictions on the kinds of targets that can be visualized. MR provides high-resolution anatomical information with excellent soft tissue contrast, and the ability to measure a variety of physiological, metabolic and biochemical parameters. However it suffers from lesser spatial resolution, in many cases limited anatomical information, and it involves ionizing radiation. PET is a quantitative technique that provides exceptionally sensitive assays of a wide range of biological processes, allowing the detection of very low concentrations of molecules of interest labeled with positron emitters.