نتایج جستجو برای: 18f fdg pet ct scan
تعداد نتایج: 218056 فیلتر نتایج به سال:
UNLABELLED Posttreatment surveillance for the recurrence of head and neck squamous cell carcinoma (HNSCC) is a diagnostic challenge. Tissue distortion from radiation and surgery can obscure early detection of recurrence by conventional follow-up approaches such as physical examination, CT, and MRI. Several studies have shown that 18F-FDG PET may be an effective technique for the detection of pe...
A 49-year-old male patient with a prior history of poor compliance with medical appointments was referred for an 18F-fluoro-2-deoxy-D-glucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) for the staging of a rectal squamous cell carcinoma. The PET/CT showed unilateral diffuse skeletal muscle 18F-FDG uptake as well as bilateral salivary gland uptake artifacts, suggestive o...
UNLABELLED Here, we report an experience about 18F-FDG-PET/CT in a patient with an early stage of Idiopathic Retroperitoneal Fibrosis (IRF). At the diagnosis Contrast Enhanced Computed Tomography (CE-CT) revealed periaortic solid tissue in the infrarenal section and locoregional lymph nodes; findings were interpreted as lymphomatous tissue. 18F-FDG-PET/CT showed elevated 18F-FDG uptake in the p...
Bone scan is a well-established imaging modality in detection of osseous metastasis. However, its sensitivity decreases at evaluating lytic osseous metastasis in such entity as hepatocellular carcinoma (HCC). Increasingly, Fluorine-18 fluorodeoxyglucose positron emission tomography (18F-FDG PET) with dual-time points imaging is utilized in detection of osseous metastasis from hepatocellular car...
Primary hepatic neuroendocrine tumors (PHNETs) are extremely rare neoplasms. Herein, we report a case of a 70-year-old man with a hepatic mass. The non-contrast computed tomography (CT) image showed a low-density mass, and dynamic CT images indicated the enhancement of the mass in the arterial phase and early washout in the late phase. F18- fluorodeoxyglucose (18F-FDG) positron emission tomogra...
A 58-year-old woman with bilateral lower limb varicose veins and Burkitt lymphoma underwent positronemission tomography/computed tomography (PET-CT) to exclude lymphoma relapse. PET-CT images did not show any suspicious lesion suggestive of malignancy. However, intense 18F-fluorodeoxyglucose (FDG) uptake focus was detected in the left lung without a corresponding CT abnormality. Follow-up PET-C...
OBJECTIVE To investigate the usefulness of 18F-FDG PET/CT imaging in the diagnosis of lymph node metastasis of esophageal carcinoma and to compare its results with pathological findings. PATIENTS AND METHODS This study examined 43 cases of patients (32 males and 11 females, aged 54 ± 13 years old) being diagnosed with lymph node metastasis of esophageal carcinoma in our hospital between 2005 ...
Active brown adipose tissue (BAT) in humans has been demonstrated through use of positron emission tomography with 2-deoxy-2-(fluorine-18) fluoro-D-glucose integrated with computed tomography (18F-FDG PET/CT) scans. The aim of our study was to determine whether active human BAT depots shown on 18F-FDG PET/CT scans remain static in their location over time. This was a retrospective study. Adult ...
The aim of this study was to evaluate the role of positron emission tomography (PET) with 18F-fluoro-2-deoxy-D-glucose (18F-FDG) in the restaging of hepatocellular carcinoma (HCC) treated with radiofrequency ablation (RFA). This study was performed on 33 lesions in 24 patients with HCC. 18F-FDG PET and computed tomography (CT) studies were performed in all patients before treatment. PET acquisi...
INTRODUCTION Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) are common inflammatory conditions. The diagnosis of PMR/GCA poses many challenges since there are no specific diagnostic tests. Recent literature emphasizes the ability of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) to assess global disease activity in inflammatory diseases. 18...
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