نتایج جستجو برای: دمای معادل فیزیولوژیک pet
تعداد نتایج: 101945 فیلتر نتایج به سال:
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...
امروزه به دلیل تولید روزافزون پلی استر و استفاده وسیع آن، تخریب pet مخصوصا تخریب هیدرولیزی از اهمیت زیادی برخوردار است. این امر به دلیل حساسیت زیاد گروههای استری موجود در pet به هیدرولیز در مجاورت رطوبت میباشد. از آنجا که تا کنون اثر دما و رطوبت و تفکیک اثر این دو، و همچنین اثر زمان روی تخریب چیپس، نخ نیمه آرایش یافته و نخ کاملا کشیده شده پلی استر و اثر آرایش یافتگی زنجیرهای مولکولی و کریستالین...
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...
اینولین کاربرد گسترده ای در زمینه های تغذیه ای، بهداشتی و صنایع غذایی دارد. پژوهش حاضر با هدف بررسی شرایط استخراج اینولین از ریشه گیاه چیکوری(Cichorium intybus L.)انجام شد. برای این منظور ریشه های تازه در دما ی (20 تا 25 درجه سلسیوس) و خشک شده در آفتاب دمای (30تا 35 درجه سلسیوس) و همچنین خشک شده در آون (دمای80 تا 90 درجه سلسیوس) توسط غلظت های مختلف اتانول(20،40و60)درصد، جهت ترسیب اینولین استفاد...
A 65 year old male with metastatic colorectal cancer (mCRC) in the liver was referred for selective internal radionuclide therapy (SIRT) following a history of extensive systemic chemotherapy. 90Y PET imaging was performed immediately after treatment and used to confirm lesion targeting and measure individual lesion absorbed doses. Lesion dosimetry was highly predictive of eventual response in ...
objective(s): we performed a phase iia clinical trial of trans-1-amino-3-18ffluoro-cyclobutane carboxylic acid (anti-18f-facbc), a synthetic amino acid analog for pet, in patients with metastatic prostate cancer. methods: the study subjects consisted of 10 untreated prostate cancer patients having lymph node and/or bone metastasis. five patients underwent whole-body pet 5 and 30 min after intra...
this study is carried out to estimate the potential evapotranspiration (pet) and crop coefficient (kc) for wheat, bl 3235 variety. a lysimeter is installed to estimate pet at the experimental farm of agricultural research center of bhairahawa, which is located in western part of nepal. the blaney-criddle formula is used to estimate the kc for wheat. the estimated values of pet and kc for wheat ...
objective(s): the study objective was to assess the diagnostic performance of positron emission tomography (pet) for gliomas using the novel tracer 18f-fluciclovine (anti-[18f]facbc) and to evaluate the safety of this tracer in patients with clinically suspected gliomas.methods: anti-[18f]facbc was administered to 40 patients with clinically suspected high- or low-grade gliomas, followed by pet...
a 65 year old male with metastatic colorectal cancer (mcrc) in the liver was referred for selective internal radionuclide therapy (sirt) following a history of extensive systemic chemotherapy. 90y pet imaging was performed immediately after treatment and used to confirm lesion targeting and measure individual lesion absorbed doses. lesion dosimetry was highly predictive of eventual response in ...
Objective(s): In view of somatostatin receptor (SSR) expression on cell membranes of the majority of neuroendocrine tumors (NETs), functional imaging exploiting analogs of SSR alongside the anatomical imaging is the mainstay of this diagnostic modality. In this prospective study, we assessed and directly compared the diagnostic parameters of 68Ga-DOTATATE PET/CT and 99...
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