RT Journal Article SR Electronic T1 Clinical value of 99mTc-deoxy-glucose derivative SPECT/CT in tumors JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1293 OP 1293 VO 61 IS supplement 1 A1 Jing Niu A1 Haiyan Liu A1 Junbo Zhang A1 Wanting Li A1 Jingfen Kang A1 Caihong Li A1 Zhiyong Shi A1 Suyun Yang A1 Hongliang Wang A1 Zhifang Wu A1 Sijin Li YR 2020 UL http://jnm.snmjournals.org/content/61/supplement_1/1293.abstract AB 1293Objectives: To explore the clinical application and prospect of 99mTc-deoxy-glucose derivative (99mTc-CN5DG) SPECT /CT in tumor diagnosis. Methods: 99mTc-CN5DG SPECT/CT and 18F-FDG PET/CT imaging were performed respectively in 15 patients (8 males and 7 females, mean age 58.73±13.40 years) in one week before surgery. They were clinically suspected or diagnosed tumors. SPECT/CT fusion images were used to delineate the ROI of the lesion, and the healthy side areas to delineate the ROI of the same range. For PET/CT fusion images, the same method was used to obtain the target/non-target ratio. The images were analyzed by visual analysis and semi-quantitative analysis. SPSS 22.0 software was used for data analysis. Results: Take pathological results as the gold standard. 99mTc-CN5DG SPECT/CT imaging showed 11 uptake of the imaging agent, including 9 lesions of the brain, 1 scapular metastasis, and 1 sacral metastasis. 18F-FDG PET/CT imaging was performed in all 17 lesions. In the semi-quantitative analysis of 17 lesions, there were 13 uptake of 99mTc-CN5DG SPECT/CT imaging, including 9 brain lesions, 1 scapular metastasis, 1 sacral metastasis, 1 endometrial lesion and 1 lung lesion. 18F-FDG PET/CT imaging showed that all 17 lesions were ingested. Conclusions: The diagnostic value of 99mTc-CN5DG SPECT/CT in brain lesions is very consistent with that of 18F-FDG, suggesting that 99mTc-CN5DG SPECT/CT has certain clinical value in the detection of brain lesions. The diagnostic value of tumors in other sites should be further discussed by increasing the sample size. Key words: 99mTc-deoxy-glucose derivative; SPECT/CT; 18F-FDG; PET/CT