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PURPOSE We prospectively compared PET/CT and conventional imaging for initial staging of nasopharyngeal carcinoma (NPC). METHODS A total of 111 patients with histologically proven NPC were investigated with PET/CT and conventional imaging (head-and-neck MRI, chest X-ray, abdominal ultrasound, and bone scan) before treatment. The respective findings were(More)
UNLABELLED Conventional work-up (CWU) with chest radiography, abdominal ultrasonography, and skeletal scintigraphy has limited value in M staging of nonkeratinizing nasopharyngeal carcinoma (NPC). Our aim was to evaluate whether (18)F-FDG PET could replace CWU by comparing their diagnostic efficacies. METHODS Patients with histologically proven(More)
Our aim was to retrospectively assess the diagnostic performance from combined positron emission tomography/computed tomography (PET/CT) and magnetic resonance imaging (MRI) for the detection of bone marrow invasion of the mandible or maxilla in patients with oral cavity squamous cell carcinoma (OCSCC). A total of 114 patients with OCSCC, arising from or(More)
UNLABELLED Accurate evaluation of primary tumors and cervical lymph node status of squamous cell carcinoma (SCC) of the oral cavity is important to treatment planning and prognosis prediction. In this prospective study, we evaluated the use of 18F-FDG PET, CT/MRI, and their visual correlation for the identification of primary tumors and cervical nodal(More)
PURPOSE To assess the clinical usefulness of [(18)F]fluorodeoxyglucose positron emission tomography ([18F]FDG PET) as well as computed tomography (CT) or magnetic resonance imaging (MRI) in oral squamous cell carcinoma (SCC) patients with palpably negative neck. PATIENTS AND METHODS In total, 134 oral SCC patients with palpably negative neck were(More)
UNLABELLED The plasma concentration of Epstein-Barr virus (EBV) DNA is associated with tumor burden and prognosis in patients with nasopharyngeal carcinoma (NPC), but data on the relationship between viral load and (18)F-FDG PET functional parameters are lacking. We examined the association of (18)F-FDG PET functional parameters and EBV DNA load with the(More)
OBJECTIVES To investigate the role of PET-derived imaging markers in predicting metastatic nasopharyngeal carcinoma (NPC) outcomes. MATERIALS AND METHODS A total of 56 patients with metastatic NPC were enrolled. Before treatment, all of the participants underwent (18)F-FDG PET/CT. The following (18)F-FDG PET parameters were assessed: standardised uptake(More)
OBJECTIVES To evaluate the prognostic value of maximum standardized uptake value (SUVmax) measured in [(18)F]-fluorodeoxyglucose positron emission tomography ((18)F-FDG PET) for patients with non-disseminated nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS From January 2002 to July 2008, 371 NPC patients who underwent (18)F-FDG-PET before radical(More)
We sought to prospectively evaluate the accuracy of 3.0-Tesla whole-body magnetic resonance imaging (WB-MRI) and integrated fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) (FDG-PETCT), and their combined interpretation for the assessment of distant-site status in 150 patients with untreated nasopharyngeal carcinoma(More)
OBJECTIVE To prospectively compare the diagnostic potential of 3-T wholebody magnetic resonance imaging (WB-MRI) and integrated fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) (FDG-PET-CT), and their combined interpretation for the detection of residual/recurrent nasopharyngeal carcinoma (NPC). METHODS We enrolled 179(More)