Advancements in Positron Emission Tomography/Magnetic Resonance Imaging and Applications to Diagnostic Challenges in Neuroradiology
Seminars in Ultrasound, CT and MRI(2021)
摘要
Since the clinical adoption of magnetic resonance (MR) in medical imaging, MR has proven to be a workhorse in diagnostic neuroradiology, with the ability to provide superb anatomic detail as well as additional functional and physiologic data, depending on the techniques utilized. Positron emission tomography/computed tomography has also shown irreplace-able diagnostic value in certain disease processes of the central nervous system by provid-ing molecular and metabolic information through the development of numerous disease-specific PET tracers, many of which can be utilized as a diagnostic technique in and of themselves or can provide a valuable adjunct to information derived from MR. Despite these advances, many challenges still remain in neuroradiology, particularly in malignancy, neu-rodegenerative disease, epilepsy, and cerebrovascular disease. Through improvements in attenuation correction, motion correction, and PET detectors, combining the 2 modalities of PET and MR through simultaneous imaging has proven feasible and allows for improved spatial and temporal resolution without compromising either of the 2 individual modalities. The complementary information offered by both technologies has provided increased diag-nostic accuracy in both research and many clinical applications in neuroradiology. Semin Ultrasound CT MRI 42:434-451 (c) 2021 Elsevier Inc. All rights reserved.
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关键词
AD,ADC,ASL,APD,BOLD,CNS,CBF,CBV,CMRO2,CMET,DWI,DTI,DCE,DSC,FOV,18F-FLT,18F-FDG,FACBC,FDOPA,FET,FCho,18F-MISO,FTD,fMRI,LBD,LAC,LOR,MR,MTT,MCI,MS,MGMT,OEF,PD,PWI,PMTs,PET,PSMA,RF,SiPM,SUV,SNc,SMFG,TOF,TBR,UTE,ZTE
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