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Multimodal imaging synergistic technology: Through rare earth ion doping, UCNPs can be used as MRI contrast agents (relaxation rate up to 5.60 s⁻¹·mM⁻¹) and fluorescent probes at the same time, such as NaGdF4:Yb/Er/Tm system combined with SPECT/CT technology to achieve simultaneous visualization of anatomical structure and metabolic function. ...
γ-emitting isotopes are selected for diagnosis because the radiation they produce can be detected by specific instruments such as positron emission tomography (PET) or single-photon emission computed tomography (SPECT), assisting clinicians in accurately identifying lesions. For example, isotopes such as Tc-99m, I-123, F-18, and Ga-68 are all used for diagnostic RDCs. ...
The next generation of positron emission tomography (PET) imaging agents will herald an age when PET will eclipse single photon emission computed tomog- raphy (SPECT) as the “go to” modality for molecular imaging. It will do so by enabling personalized medicine through precision diagnostics, the ability to be delivered cost-effectively in a manner with less radiation ...
The aim of this study was to assess the value of the Cavity-to-Myocardium count ratio (CM ratio) calculated in the resting 99mTc-Sestamibi SPECT images to identify myocardial functioning status and recovery of myocardial function in patients with acute myocardial insult who have received thrombolytic therapy. The study demonstrates that the resting 99mTc-Sestamibi ...