Results 21 to 30 of about 2,211,422 (308)

Bayesian model comparison for compartmental models with applications in positron emission tomography [PDF]

open access: yes, 2013
We develop strategies for Bayesian modelling as well as model comparison, averaging and selection for compartmental models with particular emphasis on those that occur in the analysis of positron emission tomography (PET) data.
Aston, John A. D.   +2 more
core   +1 more source

Prognostic value of 18F-FDG PET/CT parameters and histopathologic variables in head and neck cancer

open access: yesBrazilian Journal of Otorhinolaryngology, 2021
Introduction: 18F-fluorodeoxyglucose positron emission tomography/computed tomography parameters such as; maximum standardized uptake values, standard metabolic tumor volume and otal lesion glycosis are important prognostic biomarkers in cancers ...
Hale Aslan   +8 more
doaj   +1 more source

Is there a role for fluorine 18 fluorodeoxyglucose-positron emission tomography and positron emission tomography/computed tomography in evaluating patients with mycobacteriosis? A systematic review [PDF]

open access: yes, 2011
This study was designed to review the emerging role of fluorine 18 fluorodeoxyglucose (18F-FDG)-positron emission tomography (PET) CT/computed tomography (PET/CT) in patients with ...
Bonomo, Lorenzo   +11 more
core   +1 more source

Statistical analysis of maximum likelihood estimator images of human brain FDG PET studies [PDF]

open access: yes, 1993
The work presented evaluates the statistical characteristics of regional bias and expected error in reconstructions of real positron emission tomography (PET) data of human brain fluoro-deoxiglucose (FDG) studies carried out by the maximum likelihood ...
Coakley, Kevin J.   +4 more
core   +1 more source

Evaluation of Annual Occupational Doses of Technologists in Diagnostic Nuclear Medicine

open access: yesCerrahpaşa Medical Journal, 2022
Objective: This study aimed to determine the radiation dose contribution of radiopharmaceuticals labeled with 99mTc, 18F, and 68Ga to the technologists’ annual occupational doses over 6 years.
Nazenin İpek Işıkcı   +2 more
doaj   +1 more source

Correlation between PET/CT and CT in the staging prior to the treatment of head and neck squamous cell carcinoma

open access: yesBrazilian Journal of Otorhinolaryngology, 2021
Introduction: Head and neck squamous cell carcinoma is the seventh most common malignant tumor. The advances in treatment have improved the global survival rates in the past years, although the prognosis is still grave.
Fernando García-Curdi   +6 more
doaj   +1 more source

Superiority of 18F-FNa PET/CT for Detecting Bone Metastases in Comparison with Other Diagnostic Imaging Modalities

open access: yesActa Médica Portuguesa, 2017
Introduction: The 18F-NaF positron emission tomography/computed tomography is being considered as an excellent imaging modality for bone metastases detection. This ability was compared with other imaging techniques.
Paula Lapa   +5 more
doaj   +1 more source

Comparison of Whole-Body Ga-68 DOTA TATE Positron Emission Tomography and Magnetic Resonance Imaging in the Detection of Bone Metastasis of Neuroendocrine Tumor in Simultaneous 3T Positron Emission Tomography/Computed Tomography

open access: yesCerrahpaşa Medical Journal, 2022
Objective: Neuroendocrine tumors are rare neoplasms that often arise from neuroendocrine cells in gastr o-ent ero-p ancre atic and bronchopulmonary tissues. Bone metastases are observed less frequently than liver metastases.
Sertaç Asa   +6 more
doaj   +1 more source

[89Zr]Oxinate4 for long-term in vivo cell tracking by positron emission tomography [PDF]

open access: yes, 2014
Purpose 111In (typically as [111In]oxinate3) is a gold standard radiolabel for cell tracking in humans by scintigraphy. A long half-life positron-emitting radiolabel to serve the same purpose using positron emission tomography (PET) has long been ...
Meszaros, L.K.   +26 more
core   +1 more source

Positron emission tomography/computed tomography surveillance in patients with Hodgkin lymphoma in first remission has a low positive predictive value and high costs

open access: yesHaematologica, 2012
Background The value of performing post-therapy routine surveillance imaging in patients with Hodgkin lymphoma is controversial. This study evaluates the utility of positron emission tomography/computed tomography using 2-[18F]fluoro-2-deoxyglucose for ...
Tarec Christoffer El-Galaly   +11 more
doaj   +1 more source

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