نتایج جستجو برای: pet protocol

تعداد نتایج: 302524  

Journal: :basic and clinical neuroscience 0
masoud tahmasian department of neurology, university hospital of cologne, cologne, germany carsten eggers department of neurology, university hospital of cologne, cologne, germany valentin riedl department of neuroradiology, klinikum rechts der isar, technische universität münchen, munich, germany christian sorg department of neuroradiology, klinikum rechts der isar, technische universität münchen, munich, germany alexander drzezga department of nuclear medicine, university hospital of cologne, cologne, germany

no abstract

2015
Martin Biermann Jostein Kråkenes Katrin Brauckhoff Hans Kristian Haugland Achim Heinecke Lars A Akslen Jan Erik Varhaug Michael Brauckhoff

BACKGROUND Positron emission tomography (PET) using fluor-18-deoxyglucose (18F-FDG) with or without computed tomography (CT) is generally accepted as the most sensitive imaging modality for diagnosing recurrent differentiated thyroid cancer (DTC) in patients with negative whole body scintigraphy with iodine-131 (I-131). PURPOSE To assess the potential incremental value of ultrasound (US) over...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2007
Chi-lai Ho Sirong Chen David W C Yeung Thomas K C Cheng

UNLABELLED We have reported previously that (11)C-acetate ((11)C-ACT) PET was complementary to (18)F-FDG PET in the evaluation of primary hepatocellular carcinoma (HCC) in relation to the degree of tumor cellular differentiation. In this retrospective study, our goals were to further explore the complementary role of (11)C-ACT and (18)F-FDG PET in the detection of metastatic HCC disease, to eva...

Journal: :World journal of gastroenterology 2015
Olivier Detry Laurence Govaerts Arnaud Deroover Morgan Vandermeulen Nicolas Meurisse Serge Malenga Noella Bletard Charles Mbendi Anne Lamproye Pierre Honoré Paul Meunier Jean Delwaide Roland Hustinx

AIM To evaluate the prognostic value of pretreatment FDG positron emission tomography computed tomography (PET-CT) in patients with hepatocarcinoma treated by liver transplantation (LT). METHODS The authors retrospectively analyzed the data of 27 patients (mean age 58 ± 9 years) who underwent FDG PET-CT before LT for hepatocarcinoma. Mean follow-up was 26 ± 18 mo. The FDG PET/CT was performed...

2017
Nick Figura Stella Flampouri Nancy P. Mendenhall Christopher G. Morris Barry McCook Savas Ozdemir William Slayton Eric Sandler Bradford S. Hoppe

PURPOSE This study analyzed the impact of pretreatment positron emission tomography/computed tomography (PET/CT) scans on involved site radiation therapy (ISRT) field design and pattern of relapse among patients with Hodgkin lymphoma (HL). METHODS AND MATERIALS Thirty-seven patients with stage I or II HL who received first-line chemotherapy followed by consolidative ISRT to all initial sites ...

2015
Andreas Paulus Pooja Desai Brandon Carney Giuseppe Carlucci Thomas Reiner Christian Brand Wolfgang A Weber

BACKGROUND Fluorescent imaging agents are becoming evermore important in preclinical and clinical research. They do, however, suffer from poor tissue penetration, which makes optical fluorescence imaging incompatible with whole-body imaging techniques. The design of novel bimodal PET active and fluorescent tracers could therefore combine the benefits of optical imaging with radioactively labele...

2014
Ana Nunes Francisco Alves Miguel Patrício

Institute of Nuclear Sciences Applied to Health (ICNAS), University of Coimbra, Portugal In order to ensure the safe usage of new radiopharmaceuticals in Positron Emission Tomography (PET), it is necessary to quantify the doses delivered to the organs and tissues within the patients’ bodies. A framework that allows estimating the dose delivered by PET has been established by the MIRD Committee ...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2006
J M Serrador R L Hughson J M Kowalchuk R L Bondar A W Gelb

Reductions in end-tidal Pco(2) (Pet(CO(2))) during upright posture have been suggested to be the result of hyperventilation and the cause of decreases in cerebral blood flow (CBF). The goal of this study was to determine whether decreases in Pet(CO(2)) reflected decreases in arterial Pco(2) (Pa(CO(2))) and their relation to increases in alveolar ventilation (Va) and decreases in CBF. Fifteen he...

2017
Ying Zhang Lei Qin Changming Zhang

BACKGROUND In the background of the well-known importance of positron-emission tomographic studies (PET) in the prediction of pancreatic oncologic problems, we designed and performed this investigation to study the link between borderline pancreatic head cancer and glucose uptake by using PET. MATERIAL AND METHODS We retrospectively investigated patients during the period of almost 4 years (May...

2005
Sandrine Bouvard Nicolas Costes Frédéric Bonnefoi Franck Lavenne François Mauguière Jacques Delforge Philippe Ryvlin

We have undertaken a test–re-test [C]flumazenil (FMZ) PET study in 10 drug-resistant epileptic patients, including six with a mesiotemporal epilepsy (MTE), and 10 normal controls, in order to investigate seizure-related short-term plasticity of benzodiazepine (BZD) receptors. All subjects underwent two FMZ-PET scans at a 1 week interval. Patients benefited from a concurrent video-EEG monitoring...

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