نتایج جستجو برای: total lesion glycolysis
تعداد نتایج: 895324 فیلتر نتایج به سال:
UNLABELLED (90)Y radioembolization (selective internal radiation therapy [SIRT]) is a valuable therapeutic option for unresectable hepatic metastases arising from primary colorectal cancer. The present study evaluated the prognostic value of (18)F-FDG PET/CT metabolic parameters for predicting survival after SIRT. METHODS Eighty patients with hepatic metastases of colorectal cancer were treat...
Abstract Purpose This study aimed to evaluate the prognostic significance of two major indices intratumoral heterogeneity 18F-fluorodeoxyglucose uptake by positron emission tomography (PET)/computed (CT), namely index (HI) and factor (HF), in patients with oral squamous cell carcinoma. Methods We performed a retrospective analysis 62 who underwent resective surgery. HI, HF, maximum standardized...
Fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) is widely applied in non‐small cell lung cancer (NSCLC). The standardized uptake value (SUV), a semi‐quantitative index, plays an essential role in NSCLC for diagnosis, staging, and efficacy evaluation. It has been proposed that the SUVmax of tumors may correlate with the presence or absence of chemotherapy resista...
Introduction: This study aims to investigate the influence of background activity variation on image quantification in differently reconstructed PET/CT images. Methods: Measurements were performed on a Discovery-690 PET/CT scanner using a custom-built NEMA-like phantom. A background activity level of 5.3 and 2.6 kBq/ml 18F-FDG were applied. Ima...
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