| PET-CT中诊断性CT的必要性与临床应用 |
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| 引用本文： | 季仲友. PET-CT中诊断性CT的必要性与临床应用[J]. 国际放射医学核医学杂志, 2005, 29(5): 197-200 |
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| 作者姓名： | 季仲友 |
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| 作者单位： | 350001 福州, 福建医科大学附属协和医院放射诊疗中心PET/CT室 |
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| 摘 要： | PET在肿瘤的诊断、分期、再分期、疗效监测及心肌存活评价等方面具有重要价值,但也存在18F-氟代脱氧葡萄糖(18F-FDG) PET的假阳性、假阴性诊断,导致特异性不高。诊断性CT的应用,尤其是CT增强扫描、三维技术、CT血管造影、CT灌注、CT仿真内窥镜的应用,使PET-CT影像中的PET与CT影像达到优势互补,成为复合影像诊断技术,在临床应用中提高了PET-CT诊断的敏感性、特异性和准确性。
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| 关 键 词： | 正电子发射体层显像 计算机体层成像 临床肿瘤学 诊断 18F-氟代脱氧葡萄糖 |
| 文章编号： | 1001-098X(2005)05-0197-04 |
| 收稿时间： | 2005-08-02 |
| 修稿时间： | 2005-08-02 |
Necessity and clinical application of diagnostic CT in PET-CT scanner |
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| JI Zhong-you. Necessity and clinical application of diagnostic CT in PET-CT scanner[J]. International Journal of Radiation Medicine and Nuclear Medicine, 2005, 29(5): 197-200 |
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| Authors: | JI Zhong-you |
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| Affiliation: | PET/CT Room, Center of Bio-lmaging and Radiotherapy, Union Hospital, Fujian Medical University, Fuzhou 350001, China |
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| Abstract: | PET scanning has a definite clinical impact on diagnosis, initial staging, restaging, monitor-ing therapeutic effects of malignancies, and on assessment of myocardial viability. Whereas, PET scans has false positive diagnosis and false negative diagnosis of malignant lesions, It leads to reduce specifity in PET imaging. Application of diagnostic CT, especially applying contrast enhanced CT scans, three dimensional technique, CTA(CT angiography), CT perfusion and CT virtual endoscopy can realize dominance comple-mentation with PET and CT, PET-CT imaging diagnosis combines with PET and CT diagnostic technique, It improves sensitivity, specifity, and accuracy in clinical application of PET-CT scanner. |
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| Keywords: | positron emission tomography computed tomography clinical oncology diagnosis ~(18)F-fluorodeoxyglucose |
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