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J Comput Assist Tomogr · Jul 2019
Correlation Between Dual-Energy Computed Tomography Single Scan and Computed Tomography Perfusion for Pancreatic Cancer Patients: Initial Experience.
- Jiaqi Bao, Aishi Liu, Changhong Zhao, Fenʼe Hao, Xiulan Su, Lili Bao, and Lei Zhao.
- Departments of Radiology, and.
- J Comput Assist Tomogr. 2019 Jul 1; 43 (4): 599-604.
ObjectiveThe objective of this study was to evaluate the role and limit of iodine maps by dual-energy computed tomography (CT) single scan for pancreatic cancer.MethodsThirty patients with suspected solitary pancreatic cancer were enrolled in this study and underwent CT perfusion and iodine maps. The parameters of pancreatic cancer and normal pancreatic tissue were calculated. Pearson correlation and paired t test were used for evaluating 2 techniques.ResultsIodine concentration had a moderate positive correlation with blood flow or blood volume (P < 0.05 for both). All values of iodine concentration and blood flow, iodine concentration, and blood volume had significant positive correlations (P < 0.001 for both). The mean effective dose for CT perfusion and iodine maps had significant difference (8.61 ± 0.00 mSv vs 1.13 ± 0.14 mSv, P < 0.001).ConclusionsIodine maps had the potential to replace routine CT perfusion for pancreatic cancer with low radiation dose.
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