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PET-scans

Quantification of amyloid PET scans in early detection of Alzheimer’s disease

Quantification of amyloid PET scans in early detection of Alzheimer’s disease

... the PET images, MRI and PET image sets need to be coregistered. PET and MRI images resembled each other most after the first processing step of MRI, reoriented to FSL standard space, which is also ...

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Classification of Alzheimer’s Disease in PET Scans using MFCC and SVM

Classification of Alzheimer’s Disease in PET Scans using MFCC and SVM

... This paper proposed a novel application of Mel- Frequency Cepstral Coefficients (MFCC) as a feature extraction for the early Alzheimer’s disease classification from PET scans. The extract features were ...

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Quantifying and correcting for tail vein extravasation in small animal PET scans in cancer research: is there an impact on therapy assessment?

Quantifying and correcting for tail vein extravasation in small animal PET scans in cancer research: is there an impact on therapy assessment?

... In the first experiment, five rats underwent PET imaging on days 0, 3, and 7. This cohort consisted of two groups: untreated controls ( n = 2) and treated rats ( n = 3). A second cohort was treated at the same ...

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Diagnostic performance of regional cerebral blood flow images derived from dynamic PIB scans in Alzheimer’s disease

Diagnostic performance of regional cerebral blood flow images derived from dynamic PIB scans in Alzheimer’s disease

... FDG-PET scans were acquired 30 min after injection (203 ± 8) and lasted for 20 ...the PET scan was only performed if glucose levels were lower than 7 mmol/l ...All PET images were ...

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Guidelines for quality control of PET/CT scans in a multicenter clinical study

Guidelines for quality control of PET/CT scans in a multicenter clinical study

... (PET) scans, with the goal to standardize reporting of imaging guidelines (IG) and protocol ...multicenter PET studies, in order to properly document it in all clinical trials involving SUVs as an IB ...

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The role of positron emission tomography in the management of colorectal cancer

The role of positron emission tomography in the management of colorectal cancer

... CT scans every six months and blood tests for CEA every three months ( abnormal results will trigger investigation for recurrent ...a PET scan as an outpatient every six months for a two year ...on ...

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Enhanced pulmonary uptake on 18F-FES-PET/CT scans after irradiation of the thoracic area: related to fibrosis?

Enhanced pulmonary uptake on 18F-FES-PET/CT scans after irradiation of the thoracic area: related to fibrosis?

... FES-PET scans are increasingly used, both in a re- search and a clinical ...The scans are often qualitatively assessed and lesions are identified as ER- positive if the tracer uptake is above the ...

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UNERTAN SYNDROME: A CASE SERIES DEMONSTRTAING HUMAN DEVOLUTION

UNERTAN SYNDROME: A CASE SERIES DEMONSTRTAING HUMAN DEVOLUTION

... The Unertan syndrome, recently described in two consanguineous families, one family residing near Iskenderun and the other family in Adana, is characterized by three ancestral features: quadripedal gait, primitive ...

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Quantitation of glucose uptake in tumors by dynamic FDG-PET has less glucose bias and lower variability when adjusted for partial saturation of glucose transport

Quantitation of glucose uptake in tumors by dynamic FDG-PET has less glucose bias and lower variability when adjusted for partial saturation of glucose transport

... All studies were conducted with the approval of Genen- tech ’ s AALAC-accredited institutional animal care and use committee. Briefly, animals were fasted overnight with free access to water prior to PET imaging. ...

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Evaluation of repeated [18F]EF5 PET/CT scans and tumor growth rate in experimental head and neck carcinomas

Evaluation of repeated [18F]EF5 PET/CT scans and tumor growth rate in experimental head and neck carcinomas

... two scans, as shown in Figure ...two scans. It is also well known that the uptake rate of hypoxia PET tracers in tumors may fluc- tuate over time, probably due to changes in acute ...two PET ...

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Impact of MR-safe headphones on PET attenuation in combined PET/MRI scans

Impact of MR-safe headphones on PET attenuation in combined PET/MRI scans

... for PET attenuation correction with and without the headphones in place (5-min PET scan in one bed position, additional earplugs, approximately 90 min after injection of 4 MBq/kg, OSEM 3i21s with MR-based ...

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Functional imaging of dolphin brain metabolism and blood flow

Functional imaging of dolphin brain metabolism and blood flow

... in PET imaging to estimate glucose uptake by the ...four scans (one with and one without prior diazepam each for WEN and OLY) to map relative metabolic activity within the ...the PET scans ...

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Granulomatous Diseases Should be Considered in Mediastinal Lymphadenopathies with High F-18 FDG Uptake on PET-CT Scans

Granulomatous Diseases Should be Considered in Mediastinal Lymphadenopathies with High F-18 FDG Uptake on PET-CT Scans

... whose PET-CT scans revealed pathological FDG uptake due to mediastinal LAP were admitted to our ...dyspnea, PET-CT revealed pathological FDG uptake in subcarinal lymph nodes and the left interlobar ...

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First in human evaluation of [18F]PK-209, a PET ligand for the ion channel binding site of NMDA receptors

First in human evaluation of [18F]PK-209, a PET ligand for the ion channel binding site of NMDA receptors

... 20 PET scans were acquired on a Gemini TF-64 PET/CT scanner (Philips Medical Systems, Cleveland, OH, ...(TRT) scans 31–61 days apart over a period of 211 ...ketamine scans 13–161 days ...

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18-Fluoro-2-deoxy-d-glucose positron emission tomography/computed tomography scan for monitoring the therapeutic response in experimental Staphylococcus aureus foreign-body osteomyelitis

18-Fluoro-2-deoxy-d-glucose positron emission tomography/computed tomography scan for monitoring the therapeutic response in experimental Staphylococcus aureus foreign-body osteomyelitis

... F-FDG PET/CT scan was assessed by visual inspec- tion by two experienced nuclear medicine physicians blinded to the presence or not of osteomyelitis or to the timing of the scan as far as treatment was con- ...

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Negative Predictive Value of Surveillance PET/CT in Head and Neck Squamous Cell Cancer

Negative Predictive Value of Surveillance PET/CT in Head and Neck Squamous Cell Cancer

... 7 PET/CT scanners with 2– 64 detector rows (Discovery; GE Healthcare, Milwaukee, Wis- consin; and Emotion; Siemens, Erlangen, ...1016 scans were obtained on 2- and 4-section PET/CT scanners no longer ...

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Partial-volume correction in dynamic PET-CT: effect on tumor kinetic parameter estimation and validation of simplified metrics

Partial-volume correction in dynamic PET-CT: effect on tumor kinetic parameter estimation and validation of simplified metrics

... While the presence of PVE and the consequent need for PVC are well recognized, to date PVC has rarely been applied in oncological PET studies. This may be be- cause to date there is no consensus on the optimal ...

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18F-FDG-labeled red blood cell PET for blood-pool imaging: preclinical evaluation in rats

18F-FDG-labeled red blood cell PET for blood-pool imaging: preclinical evaluation in rats

... duration of glucose deprivation. In the present study, we introduced the surest way to obtain BPI using 18 F-FDG. Further evaluation regarding simplification of the labeling technique is needed. Second, 18 F-FDG-labeled ...

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Extrapulmonary small cell sarcinoma: involvement of the brain without evidence of extracranial malignancy by serial PET/CT scans

Extrapulmonary small cell sarcinoma: involvement of the brain without evidence of extracranial malignancy by serial PET/CT scans

... Whole-body PET imaging with FDG is used in the diagno- sis, staging, and follow-up of many cancers with accura- cies ranging from 80% to 90% ...[21]. PET/CT is still in ...

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Designing a new molecular probe : the potential role for Tilmanocept (Lymphoseek) in the assessment of patients with painful hip and knee joint prostheses

Designing a new molecular probe : the potential role for Tilmanocept (Lymphoseek) in the assessment of patients with painful hip and knee joint prostheses

... of PET agents over SPECT agents are the higher sensitivity and more accurate quantification features [27], but PET agents are disadvantaged by their shorter half-lives and they are also less abundant as ...

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