Results 11 to 20 of about 440,067 (322)
Frontiers in Oncology, 2022 BackgroundThe aim of this study was to evaluate the clinical usefulness of radiomics signature-derived 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography–computed tomography (PET-CT) for the early prediction of neoadjuvant chemotherapy (NAC ...
Liping Yang +10 more
doaj +1 more source
Frontiers in Nuclear Medicine, 2023 The purpose of this work was to assess the capability of radiomic features in distinguishing PET image regions with different uptake patterns. Furthermore, we assessed the stability of PET radiomic features with varying image reconstruction settings.
Emad Alsyed +5 more
doaj +1 more source
Searching for annihilation radiation from SN 1006 with SPI on INTEGRAL [PDF]
, 2006 Historical Type Ia supernovae are a leading candidate for the source of positrons observed through their diffuse annihilation emission in the Galaxy.
E. Kalemci +4 more
core +2 more sources
Frontiers in Oncology, 2021 PurposeTo propose and evaluate habitat imaging-based 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) radiomics for preoperatively discriminating non-small cell lung cancer (NSCLC) and benign inflammatory ...
Ling Chen +5 more
doaj +1 more source
, 2016 Positron emission tomography (PET) is a minimally invasive imaging procedure with a wide range of clinical and research applications. PET allows for the three-dimensional mapping of administered positron-emitting radiopharmaceuticals such as (18)F-fluorodeoxyglucose (for imaging glucose metabolism).
Katherine Lameka +2 more
+10 more sources
Methods, 2002 Positron Emission Tomography (PET) is a method for determining biochemical and physiological processes in vivo in a quantitative way by using radiopharmaceuticals labelled with positron emitting radionuclides as C-11, N-13, O-15 and F-18 and by measuring the annihilation radiation using a coincidence technique. This includes also the measurement of the
Aren van Waarde, Anne M. J. Paans
openaire +4 more sources
Positron-emission tomography [PDF]
IEEE Signal Processing Magazine, 1997 We review positron-emission tomography (PET), which has inherent advantages that avoid the shortcomings of other nuclear medicine imaging methods. PET image reconstruction methods with origins in signal and image processing are discussed, including the potential problems of these methods. A summary of statistical image reconstruction methods, which can
Ollinger, John M., Fessler, Jeffrey A.
openaire +3 more sources
Detectors in positron emission tomography
Zeitschrift für Medizinische Physik, 2023 Positron emission tomography is a highly sensitive molecular imaging modality, based on the coincident detection of annihilation photons after positron decay. The most used detector is based on dense, fast, and luminous scintillators read out by light sensors. This review covers the various detector concepts for clinical and preclinical systems.
Zatcepin, Artem, Ziegler, Sibylle I
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Frontiers in Neuroscience, 2022 The development of novel PET imaging agents for synaptic vesicle glycoprotein 2A (SV2A) allowed for the in vivo detection of synaptic density changes, which are correlated with the progression and severity of a variety of neuropsychiatric diseases. While
Takuya Toyonaga +6 more
doaj +1 more source
Frontiers in Oncology, 2022 PurposeTo determine an optimal setting for functional contouring and quantification of prostate cancer lesions with minimal variation by evaluating metabolic parameters on 18F-PSMA-1007 PET/CT measured by threshold-based and gradient-based methods under ...
Yu Ching Lau +4 more
doaj +1 more source