نتایج جستجو برای: 18 fdg petct
تعداد نتایج: 361403 فیلتر نتایج به سال:
Submit Manuscript | http://medcraveonline.com Malignant peripheral nerve sheath tumor (MPNST) is a rare tumor group seen in neurofibromatosis type I patients. There are few reports on PET-CT imaging of this rare entity in literature. FDG PET-CT is a part of the conventional work-up among a variety of cancer patients. Nevertheless, in certain clinical situations PETCT may be of great significanc...
Introduction:Brain imaging with F-18 fluorodeoxyglucose (18F-FDG) positron emission tomography or Tc-99m hexamethylpropyleneamine oxime (99mTc-HMPAO) SPECT is widely used for the evaluation of Alzheimer's dementia (AD); we aim to assess superiority of one method over the other. Methods: Twenty four patients with clinical diagnosi...
Introduction:Myocardial 18F-FDG uptake is highly variable in oncologic whole body 18F-FDG PET/CT studies, ranging from quite intense to minimal distribution. Intense or heterogeneous myocardial 18F-FDG uptake is undesirable as it may interfere with the visual or quantitative evaluation of tumoral invasion and metastases in pericardium, myocardiu...
Fluorodeoxyglucose-positron emission tomography (FDG-PET) and computed tomography (CT) have become the gold standard for staging of esophageal cancer by detecting distant metastases, but metastatic lymph nodes are often difficult to diagnose from the size and standardized uptake value (SUV). If we compare the diagnostic performance of endoscopic ultrasonography (EUS), CT, and FDG-PET in staging...
Objective(s): 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET-CT) is a well-used and established technique for lung cancer staging. Radiation therapy requires accurate target volume delineation, which is difficult in most cases due to coexisting atelectasis. The present study was performed to compare the 18F-FDG PET-CT with contrast enhanced computed tomogr...
Oesophagogastric cancer is one of the top ten cancers diagnosed worldwide and, despite advancements in therapy, has a relatively poor prognosis compared to other common cancers, with a fiveyear survival of only 15-20%. This group of cancers includes tumours of the oesophagus and gastro-oesophageal junction, which have similar disease characteristics. The role of PETCT in oesophagogastric malign...
introduction: gastrointestinal stromal tumors (gists) are the most common mesenchymal neoplasms of the gastrointestinal tract. gist has been shown to over-express c-kit (cd117), the receptor tyrosine kinase. imatinib (sti571 or glivec) is a new type of tyrosine kinase inhibitor that selectively inhibits various tyrosine kinases and has been successfully used to treat gist. in this study we have...
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