18F—FDG SPECT/CT检查在原发癌灶定位诊断中的意义(2)
18F-FDG SPECT/CT检查假阴性多为高分化、低代谢肿瘤，也见于高血糖患者等情况。所以SPECT/CT检查阴性，应结合临床资料和其他影像表现进行鉴别诊断。
[参考文献]
[1] Han A，Xue J，Zheng J，et al.Clinical Value of 18F-FDG PET-CT in detecting primary tumor for patients with carcinoma of unknown primary[J].Cancer Epidemiol，2012，36(5)：470-475.
[2] Yamashita H，Suzuki A，Takahashi Y，et al.Intravascular large B-cell lymphoma with diffuse FDG uptake in the lung by 18FDG-PET/CT without chest CT findings[J].Ann Nucl Med，2012，2(6)：515-521.
[3] Zohar Keidar，Nissim Haim，Luda Guralnik，et al.PET/CT using 18F-FDG in Suspected Lung Cancer Recurrence：Diagnostic Value and Impact on Patient Management[J].J Nunl Med，2004，45(10)：1640-1646.
[4] Jeon SY，Ahn SH，Kim CH. Esophageal and laryngeal cancer incidentally found on 18F-fluorodeoxyglucose positron emission tomography/computed tomography during the staging workup for lung cancer[J].Clin Lung Cancer，2008(9)：230-231.
[5] Greco FA，Erland JB，Pafalovkos D，et al. Carcinoma of unknown primary site：long-term follow-up after taxine-base chemotherapy[J].Proc Am Soc Oncol，2000(19)：579.
(收稿日期：2013-06-05), 百拇医药(贾晓娟等)
[参考文献]
[1] Han A，Xue J，Zheng J，et al.Clinical Value of 18F-FDG PET-CT in detecting primary tumor for patients with carcinoma of unknown primary[J].Cancer Epidemiol，2012，36(5)：470-475.
[2] Yamashita H，Suzuki A，Takahashi Y，et al.Intravascular large B-cell lymphoma with diffuse FDG uptake in the lung by 18FDG-PET/CT without chest CT findings[J].Ann Nucl Med，2012，2(6)：515-521.
[3] Zohar Keidar，Nissim Haim，Luda Guralnik，et al.PET/CT using 18F-FDG in Suspected Lung Cancer Recurrence：Diagnostic Value and Impact on Patient Management[J].J Nunl Med，2004，45(10)：1640-1646.
[4] Jeon SY，Ahn SH，Kim CH. Esophageal and laryngeal cancer incidentally found on 18F-fluorodeoxyglucose positron emission tomography/computed tomography during the staging workup for lung cancer[J].Clin Lung Cancer，2008(9)：230-231.
[5] Greco FA，Erland JB，Pafalovkos D，et al. Carcinoma of unknown primary site：long-term follow-up after taxine-base chemotherapy[J].Proc Am Soc Oncol，2000(19)：579.
(收稿日期：2013-06-05), 百拇医药(贾晓娟等)