期刊
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
卷 31, 期 3, 页码 346-354出版社
WILEY
DOI: 10.1002/hed.20974
关键词
FDG-PET; conventional work-up; CT; nasopharyngeal carcinoma; distant metastasis staging
资金
- Singhealth Foundation [SHF/FG075/2004]
Background. Endemic nasopharyngeal carcinoma (NPC) commonly metastasizes to the lungs, liver, and bones. This study aims to assess the efficacy of 4 distant metastasis staging modalities, namely (1) conventional work-up comprising chest X-ray, liver ultrasound, and skeletal scintigraphy, (2) CT of the thorax, abdomen, and skeletal scintigraphy, (3) (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET), and (4) integrated FDG-PET/CT. Methods, Seventy-eight consecutive patients diagnosed with NPC were enrolled and followed up for a minimum of 6 months to confirm the staging at diagnosis. Results. Six patients (7.7%) had distant metastases at diagnosis. The sensitivities and specificities of conventional work-up, combined CT and skeletal scintigraphy, FDG-PET, and FDG-PET/CT were 33.3%, 66.7%, 83.3%, and 83.3%; and 90.3%, 91.7%, 94.4%, and 97.2%, respectively. The corresponding accuracies were 85.9%, 89.7%, 93.6%, and 96.2%. Conclusions. FDG-PET/CT is the most sensitive, specific, and accurate modality for distant metastasis staging of endemic NPC. (C) 2008 Wiley Periodicals, Inc. Head Neck 31: 346-354, 2009
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