نتایج جستجو برای: pet fiber
تعداد نتایج: 183559 فیلتر نتایج به سال:
Objective(s): 18F-fluciclovine (trans-1-amino-3-[18F] fluorocyclobutanecarboxylic acid, [FACBC]) is an artificial amino acid radiotracer used for positron emission tomography (PET) studies, which is metabolically stable in vivo and has a long half-life. It has already been shown that FACBC-PET is useful for glioma imaging. However, there have been no reports evaluating the efficiency of FACBC-P...
Objective(s): The aim of this study was to analyze detection rates and effectiveness of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) cancer screening program for prostate cancer in Japan, which is defined as a cancer-screening program for subjects without known cancer. It contains FDG-PET aimed at detection of cancer at an early stage with or without additional screening tests ...
پلی اتیلن ترفتالات (pet) از جمله پلیمرهایی است که در تولید پوشش های ضدمیکروبی کاربرد دارد. این پلیمر خطی بوده و در برابر حلال ها مقاوم می باشد. یکی از روش های ایجاد خاصیت ضد باکتری در محصولات پلی اتیلن ترفتالات تثبیت کیتوزان بر سطح این پلیمر می باشد. تثبیت عامل ضد باکتری با استفاده از پیوندهای کووالانسی بر سطح پلیمر هنگامی ممکن است که هم پلیمر و هم عامل ضد باکتری گروه های عاملی واکنش دهنده با ی...
introduction: the advent of dual-modality pet/ct scanners has revolutionized clinical oncology by improving lesion localization and facilitating treatment planning for radiotherapy. in addition, the use of ct images for ct-based attenuation correction (ctac) decreases the overall scanning time and creates a noise-free attenuation map (6map). ctac methods include scaling, s...
Understanding the connectivity structure of the human brain is a fundamental prerequisite for the treatment of psychiatric or neurological diseases. Probabilistic tractography has become an established method to account for the inherent uncertainties of the actual course of fiber bundles in magnetic resonance imaging data. This work presents a visualization system that addresses data set sizes ...
Department of Neurosurgery, Hospital Garcia de Orta, Almada, Portugal Recently, DKI-based tractography has been developed, showing improved crossing-fiber resolution in comparison to deterministic DTI-based tractography in healthy subjects. In this work, DTI and DKI-based tractography methods were compared regarding the assessment of the corticospinal tract in patients presenting space-occupyin...
BACKGROUND Early detection is an essential component of cancer management. Unfortunately, visual examination can often be unreliable, and many settings lack the financial capital and infrastructure to operate PET, CT, and MRI systems. Moreover, the infrastructure and expense associated with surgical biopsy and microscopy are a challenge to establishing cancer screening/early detection programs ...
Objective(s): Post-treatment evaluations by CT/MRI (based on the International Working Group/ Cotswolds meeting guidelines) and PET (based on Revised Response Criteria), were examined in terms of progression-free survival (PFS) in patients with malignant lymphoma (ML). Methods: 79 patients, undergoing CT/MRI for the examination of suspected lesions and whole-body PET/CT before and after therapy...
Objective(s): We aim to investigate the clinical impact of 18F-FDG PET/CT in managing patients with gynecological malignancies and pelvic or extrapelvic lymph nodes that are of equivocal significance on conventional imaging.Methods: We retrospectively evaluated 18F-FDG PET/CT scans of patients with gynecologic tumors who were referred to King Hussein Cancer Center from January 2010 to August 20...
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