نتایج جستجو برای: pet imaging

تعداد نتایج: 493284  

Objective(s): 99mTc-PSMA SPECT/CT is a cost effective alternative for 68Ga-PSMA PET/CT. The aim of this study was to directly compare these two techniques in patients with prostate cancer. Methods: 28 man with prostate cancer were studied using 99mTc-PSMA SPECT/CT and 68Ga-PSMA PET/CT in a shor...

Introduction:The accuracy of positron emission tomography with computed tomography (PET/CT), positron emission mammography (PEM), and breast specific-gamma imaging (BSGI) in diagnosing breast cancer has never been systematically assessed, the present systematic review was aimed to address this issue.  Methods:PubMed, Scopus and EMBASE were searched for st...

Journal: :Journal of Neuroendocrinology 2021

The present study aimed to assess gadoxetate disodium contrast-enhanced (CE) positron emission tomography (PET)/magnetic resonance imaging (MRI) with 68Ga-DOTATOC and 11C-5-Hydroxy-tryptophan (11C-5-HTP) in comparison iodine CE 68Ga-DOTATOC-PET/computed (CT) for neuroendocrine tumour imaging. Detection rate reader's confidence were evaluated each separate image volume: CE-CT, CE-MRI including d...

Journal: :asia oceania journal of nuclear medicine and biology 0
canh nguyen unit of pet/ct and cyclotron, choray hospital, vietnam huy nguyen department of liver tumor, choray hospital, vietnam tan ngo unit of pet/ct and cyclotron, choray hospital, vietnam simone maurea dipartimento di scienze biomediche avanzate, facoltá di medicina e chirurgia, università degli studi di napoli federico ii, italia

objective(s): in this study, we aimed to describe the characteristics of portal vein tumor thrombosis (pvtt), complicating hepatocellular carcinoma (hcc) in contrast-enhanced fdg pet/ct scan. methods: in this retrospective study, 9 hcc patients with fdg-avid pvtt were diagnosed by contrast-enhanced fluorodeoxyglucose positron emission tomography/computed tomography (fdg pet/ct), which is a comb...

2013
Harald H. Quick

Following PET/CT, PET/MR is the newest diagnostic whole-body hybrid imaging modality. Simultaneous PET and MR data acquisition requires novel technical solutions and offers new diagnostic opportunities. Attenuation correction (AC) and motion correction (MC) of PET data are current hot topics in PET/MR hybrid imaging research. The added diagnostic value of PET/MR in whole-body imaging is current...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2014
Geewon Lee Hoseok I Seong-Jang Kim Yeon Joo Jeong In Joo Kim Kyoungjune Pak Do Yun Park Gwang Ha Kim

UNLABELLED This was a study to compare the diagnostic efficacies of endoscopic ultrasonography (EUS), CT, PET/MR imaging, and PET/CT for the preoperative local and regional staging of esophageal cancer, with postoperative pathologic stage used as the reference standard. METHODS During 1 y, 19 patients with resectable esophageal cancer were enrolled and underwent preoperative EUS, CT, PET/CT, ...

Gliomas account for almost 80% of primary malignant brain tumors in adults. Magnetic Resonance imaging (MRI) is still the gold standard for diagnosis of brain tumors and brain 99mTc-tetrofosmin Single Photon Emission Computed Tomography (99mTc-tetrofosmin-SPECT) has been established as a useful tool for their evaluation. Fluorine-18–2-fluoro-2-deoxy-d-glucose positron emi...

Journal: :Nuclear medicine review. Central & Eastern Europe 2011
Piotr Maniawski

Nuclear medicine and positron emission tomography (PET) continues to be on the forefront of molecular imaging. In the past decade, PET imaging established itself as the gold standard for cancer staging and therapy follow up. To lesser extent, PET is also used clinically in cardiology (myocardial perfusion) and neurology (dementia). The wide adoption of oncology applications of FDG PET imaging d...

Eccrine carcinoma is an extremely rare malignant skin cancer arising from eccrine sweat glands with a high metastatic potential. It mainly occurs in the elderly, with equal incidence in both sexes. It usually spreads to regional lymph nodes, with liver, lungs, and bones being the most common sites of distant metastasis. Because of tumor rarity, little is known about the value of F18- FDG PET/CT...

Journal: :Molecular imaging and biology : MIB : the official publication of the Academy of Molecular Imaging 2004
David W Townsend

The recent introduction of combined positron emission tomography (PET)/computed tomography (CT) scanners is having a far-reaching effect on the field of medical imaging by bringing functional imaging to the forefront in radiology, oncology and other specialties. The PET/CT scanner is an evolution in technology combining two well-developed imaging modalities: anatomical imaging with CT and funct...

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