目的:对比研究18F-脱氧葡萄糖(FDG)符合线路SPECT/CT显像及99mTc-亚甲基二膦酸盐(MDP)骨显像在肺癌骨转移瘤中的诊断价值。方法:收集同期行18F-FDG符合线路SPECT/CT显像和99mTc-MDP骨显像的经术后标本或活检病理证实为肺癌的患者共45例,回顾性统计分析两项检查所见的差异。患者有无骨转移诊断标准经6月以上临床随访复查最终确认。结果:18F-FDG符合线路显像在肺癌骨转移瘤的诊断灵敏度、特异度分别为100%和97%;骨显像在肺癌骨转移瘤的诊断灵敏度、特异度分别为92%和66%。18F-FDG符合线路显像和骨显像对于骨转移探测的结果具有显著统计学差异(χ2=4.92,P<0.05)。结论:18F-FDG符合线路显像较骨显像在诊断肺癌骨转移时具有更高的灵敏度和特异度,并能同时发现骨外原发或转移性肿瘤,具有较高的临床应用价值。
Abstract
Objective: To compare the diagnostic efficiency of 18F-FDG coincidence SPECT/CT and 99mTc-MDP bone scintigraphy in the detection of bone metastasis of lung cancer. Methods: A total of 45 patients with lung cancer accepted both 18F-FDG coincidence SPECT/CT imaging and bone scintigraphy sequentially within 2 weeks were retrospectively studied. The differences of diagnostic efficiency on bone metastasis between the two examinations were analyzed. Bone metastases were confirmed by clinical follow-up for at least 6 months. Results: The sensitivity and specificity of 18F-FDG coincidence SPECT/CT for detecting bone metastases of lung cancer were 100% and 97%. The sensitivity and specificity of bone scintigraphy for detecting bone metastases of lung cancer were 92% and 66%. Significant statistical difference was found between 18F-FDG coincidence SPECT/CT imaging and bone scintigraphy for detecting bone metastasis of lung cancer(χ2=4.92, P<0.05). Conclusion: 18F-FDG coincidence SPECT/CT is superior to bone scintigraphy in detecting bone metastasis of lung cancer, meanwhile has the merit to find primary or metastatic tumor outside the bone. 18F-FDG coincidence SPECT/CT is valuable for clinical application.
关键词
肺肿瘤 /
骨肿瘤 /
肿瘤转移 /
体层摄影术 /
发射型计算机 /
单光子 /
体层摄影术 /
螺旋计算机
Key words
Lung neoplasms /
Bone neoplasms /
Neoplasms metastasis /
Tomography, emission-computed, single-photon;  /
Tomography, spiral computed
中图分类号:
R734.2
R738.1
R817.4
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