Tc-99m SPECT imaging
Non-invasive molecular imaging of inflammatory macrophages in allograft rejection
... Heterotopic cardiac transplantations were performed on 8- to 10-week-old male C57BL/6 mice (three groups, n = 5 for SER4 allogeneic and isotype allogeneic groups) with heart graft from BALB/c mice while syngeneic cardiac ...
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Simultaneous Tc-99m and I-123 dual-radionuclide imaging with a solid-state detector-based brain-SPECT system and energy-based scatter correction
... mm. SPECT acquisition is performed in continuous rota- tion mode in which each detector head is rotated 360° over 3 ...of Tc-99m (141 keV) and I-123 (159 keV) to be ...simultaneous ...
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Technetium-99m chelator-free radiolabeling of specific glutamine tumor imaging nanoprobe: in vitro and in vivo evaluations
... To evaluate the uptake of radiolabeled nanoconjugate in the tumor, SPECT scans of mice were acquired at different time points after injecting 3.7 MBq of radiotracer. Figures 10 and 11 indicate the radiotracer ...
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Lesion based diagnostic performance of dual phase 99mTc-MIBI SPECT/CT imaging and ultrasonography in patients with secondary hyperparathyroidism
... Tc-MIBI imaging was ...parathyroid imaging is highly dependent on the prevalence of thyroid nodular disorders in the evaluated patient population ...positive 99m Tc-MIBI ...
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99mTc-MIBI SPECT/CT imaging contribution in the diagnosis of patients with hyperparathyroidism
... The goal of the study of Yang was to compare the diagnostic value of early and delayed phase of 99m Tc- MIBI SPECT/CT in the detection of parathyroid tissue to guide opera[r] ...
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Comparison of LDPI to SPECT perfusion imaging using 99mTc-sestamibi and 99mTc-pyrophosphate in a murine ischemic hind limb model of neovascularization
... thereby explaining the decrease in uptake of 99m Tc-PyP. The rapid clearance of muscular damage after peak levels on day 3 was further underlined by data obtained from our TUNEL staining. TUNEL positivity ...
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αVβ3 integrin-targeted microSPECT/CT imaging of inflamed atherosclerotic plaques in mice
... inflammation imaging in humans [20]. Indeed, coronary artery imaging with that tracer is more challenging than carotid im- aging, mainly due to intense FDG uptake in adjacent ...in imaging of ...
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Feasibility of preoperative 125I seed-guided tumoural tracer injection using freehand SPECT for sentinel lymph node mapping in non-palpable breast cancer
... peri-/intratumoural 99m Tc- nanocolloid injections using a freehand SPECT device are feasible in patients with non-palpable breast cancer marked with a 125 I ...freehand SPECT is able to ...
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Ra-223 SPECT for semi-quantitative analysis in comparison with Tc-99m HMDP SPECT: phantom study and initial clinical experience
... Ra-223 imaging is challenging because Ra-223, and its daughter nuclides have a wide range of energy spectrum, ranging from 80 to 500 keV [13–15], in addition to the limited number of emitted ...planar ...
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Visual evaluation and differentiation of renal oncocytomas from renal cell carcinomas by means of 99mTc-sestamibi SPECT/CT
... that 99m Tc-sestamibi imaging appeared to play a role as a non-invasive screening method ...another imaging agent technetium 99m diethylene-triamine-pentaacetate (Tc-99m ...
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Design and preclinical evaluation of a 99mTc-labelled diabody of mAb J591 for SPECT imaging of prostate-specific membrane antigen (PSMA)
... Figure 1 In vitro characterisation of J591C diabody. (a) SDS-PAGE of purified J591C diabody. The reduced sample runs as a single band corresponding to the size of the monomer (27 kDa). In the non-reduced sample, the ...
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A comparative study of perfusion CT and 99mTc-HMPAO SPECT measurement to assess cerebrovascular reserve capacity in patients with internal carotid artery occlusion
... 11 EC-IC bypass surgeries were performed. one patient underwent EC-IC bypass surgery on both symptomatic sides with a time lag of three months. five high-flow bypass surgeries and one medium-flow bypass surgery with ...
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An analysis of SPECT/CT non-visualization of sentinel lymph nodes in renal tumors
... of 99m Tc nanocolloid (Nanocoll©; GE Healthcare, Eindhoven, Netherlands) in a volume of ...quently, SPECT/CT was acquired using a hybrid system (SymbiaT, Siemens, Erlangen, ...attenuation, ...
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Evaluation of 99mTc rhAnnexin V 128 SPECT/CT as a diagnostic tool for early stages of interstitial lung disease associated with systemic sclerosis
... with the identification of apoptotic EPC and leukocytes by immunohistochemical fluorescence on tissue level. Most published studies report good correlation between TUNEL-positivity and signal intensity of 99m ...
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Quantification of 99mTc-DPD concentration in the lumbar spine with SPECT/CT
... of 99m Tc-MDP 2 to 4 h after injection in vivo on SPECT data sets reconstructed with filtered back projection without attenuation or scatter correction and reported a mean concentration percent- age ...
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Novel radiochemical and biological characterization of 99mTc-histamine as a model for brain imaging
... give 99m Tc-histamine complex with a radio- chemical yield of 98%, which is higher than that of the com- mercially available ...of 99m Tc-histamine in the brain ...brain imaging, ...
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Effect of Cut Off Frequency of Butterworth Filter on Detectability and Contrast of Hot and Cold Regions in Tc 99m SPECT
... In this study, image quality of reconstructed images was analyzed visually, by looking at the shape of hot and cold regions and their detectability. From quantitative analysis point of view, contrast of both regions was ...
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Comparative Study Between99mTc-MDP and 99mTc-DTPA as a Predictor For Renal Function
... with 99m Tc-MDP similar information concerning flow and function to those provided by renographies with provide 99m Tc-DTPA, but the application of 99m Tc-MDP to renography gives ...
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Internal carotid balloon test occlusion does require quantitative CBF
... Reply We agree with Yonas et al that quantification of regional cerebral blood flow rCBF probably would increase the specificity of Tc-99m HMPAO cerebral perfusion SPECT and internal car[r] ...
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Comparison of standardized uptake values between 99mTc-HDP SPECT/CT and 18F-NaF PET/CT in bone metastases of breast and prostate cancer
... The SPECT data were reconstructed with HybridRecon- Oncology SUV SPECT (version 1.3, HERMES Medical Solu- tions AB, Stockholm, Sweden) using the three-dimensional (3D) ordered-subset ...
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