PET and SPECT
PET vs. SPECT: in the context of ongoing developments
... (iii) To point-out (to engineers, physicists and software-developers) important areas of research in PET and SPECT imaging that will be instrumental to further improvements in the two m[r] ...
20
Implementation of a cardiac PET stress program: comparison of outcomes to the preceding SPECT era
... (the SPECT era, n = 6,777), and consecutive MPI patients at Intermountain Medical Center from January 1, 2014, to December 31, 2015 (the PET era, n = ...the SPECT era, patients were evaluated with ...
10
Noise correlation in PET, CT, SPECT and PET/CT data evaluated using autocorrelation function: a phantom study on data, reconstructed using FBP and OSEM
... In PET and PET/CT the convolution kernel applied on projections in an FBP algorithm is a combination of a ramp filter to cope with blurriness of the image after back projecting the projections [8,9] and a ...
23
The role of 18F-FCH PET/CT in patients with uremic hyperparathyroidism compared with 99mTc-sestaMIBI SPECT/CT and ultrasonography
... Tc-sestaMIBI dual-phase and 99m Tc-sestaMIBI SPECT/CT images. Visual examination was performed to search for sites with higher focal tracer uptake in PET and SPECT images than the adjacent background ...
8
A Nordic survey of CT doses in hybrid PET/CT and SPECT/CT examinations
... for PET oncology (in part with BH), infection/inflammation and bone, SPECT bone, sentinel node, parathyroid (in part with HB), octreotide/mIbG, and thyroid post ...for PET brain, EH collated and ...
16
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 ...
9
Recent advances on the development of phantoms using 3D printing for imaging with CT, MRI, PET, SPECT, and ultrasound
... Purpose: Printing technology, capable of producing three-dimensional (3D) objects, has evolved in recent years and provides potential for developing reproducible and sophisticated physical phantoms. 3D printing ...
22
The role of PET/CT amyloid Imaging compared with Tc99m HMPAO SPECT imaging for diagnosing Alzheimer’s disease
... of PET/CT amyloid scans qualitative readings and quantitative results were made with clinical diagnosis as the gold standard by the other members of this research ...the PET/CT amyloid scans with ...
6
Dopamine transporter imaging with [18F]FE-PE2I PET and [123I]FP-CIT SPECT—a clinical comparison
... NL) SPECT (FP-CIT) is an established method, widely used in both clinical prac- tice and research projects ...for PET (FE-PE2I), has emerged as a promising alternative, allowing a more select- ive and ...
13
Concurrent SPECT/PET-CT imaging as a method for tracking adoptively transferred T-cells in vivo
... Concurrent PET-CT imaging demonstrated a fluorodeoxyglucose flare, measured by increase in tumor site uptake as high as 32 % and at most sites of disease at 48 ...
5
References Of Activities Injected Into Adults In Spect And Pet Imaging In Europe And Particularly In France
... The main field of action of nuclear medicine, apart from a minor therapeutic component, concerns the diagnosis, prognosis and therapeutic follow-up of a large number of pathologies thanks to two main types of ...
15
PET-MR and SPECT-MR multimodality probes: Development and challenges
... as PET-CT or SPECT-CT can yield complementary information regarding morphology and function in preclinical and clinical applications, and thereby such type of hybrid and/or multimodalities can provide us ...
23
Theranostic Probes for Targeting Tumor Microenvironment: An Overview
... Abstract: Long gone was the time when tumors were thought to be insular masses of cells, residing independently at specific sites in an organ. Now, researchers gradually realize that tumors interact with the ...
24
Structural, Functional, and Metabolic Brain Differences as a Function of Gender Identity or Sexual Orientation: A Systematic Review of the Human Neuroimaging Literature
... The search generated 492 publications from three different databases (Embase, Medline, and PsycInfo): 268 for the analyses of gender identity and 224 for the analyses on sexual orientation. Finally, 51 studies were ...
46
Image Registration for Dental X-Ray images using Hybrid Technique
... Abstract: Medical imaging is a vital component of large number of applications within current clinical settings. Image registration is a fundamental task in medical imaging. It is a process that overlays two or more ...
5
Radiolabeled Nanoparticles for Multimodality Tumor Imaging
... decades. PET and SPECT are the two major radi- onuclide imaging modalities in the field of nuclear ...images, PET and SPECT can measure chemical changes that occur before macro- scopic ...
17
The diagnostic difference between 18F- FDG PET and 99mTc-HMPAO SPECT perfusion imaging in assessment of Alzheimer's disease
... (PCN) more to the right side, Neuro Q analysis colored image (b) showed hypometabolism in the right PP regions as well as the PCN (red colored and arrowed) < 3 SD, and <2 SD on[r] ...
6
Functional imaging of dolphin brain metabolism and blood flow
... the SPECT and PET volumes were color-mapped to an 8-bit color scale and fused to the MRI to permit the overall pattern of blood flow or metabolic activity to be observed, as well as activity of focal ...
9
Cerebral gangliogliomas: preoperative grading using FDG PET and 201Tl SPECT
... uated by visual inspection of glucose metabolism within the lesion in comparison with gray and white matter. If a tumor showed metabolic activity greater than or equal to gray matter it was labeled as hypermetabolic, ...
6
Development of Single and Multimodality Imaging Probes for PET, SPECT and Fluorescence Imaging
... Considering the favourable fluorescence properties of porphyrins and that the porphine ring system exhibits a spatially appropriate central cavity for metal chelation, here we report the development of gallium-PPIX ...
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