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Evaluation of rat C6 malignant glioma using spectral computed tomography

  • Authors:
    • Jianli Liu
    • Junlin Zhou
    • Jie Li
    • Lingyan Zhang
    • Peili Zhang
    • Bin Liu
  • View Affiliations / Copyright

    Affiliations: The School of Nuclear Science and Technology, Lanzhou University, Lanzhou, Gansu 730000, P.R. China, Department of Radiology, Lanzhou University Second Hospital, Lanzhou, Gansu 730030, P.R. China, School of Stomatology, Lanzhou University, Lanzhou, Gansu 730000, P.R. China
    Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1037-1044
    |
    Published online on: June 15, 2017
       https://doi.org/10.3892/etm.2017.4613
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Abstract

To investigate the use of multi-parameter spectral computed tomography (CT) for the evaluation of rat C6 glioma, 15 male Wistar rats were seeded with C6 glioma cells into the right basal ganglia and scanned 12 days later using spectral CT. Brain sections corresponding to scanned regions were immunostained for proliferation marker protein Ki67 (Ki67). Pearson's correlation coefficients between spectral CT parameters and Ki67 expression were determined. Thirteen rats survived 12 days and developed tumors. Optimal contrast‑to‑noise ratio achieved was 65 keV. Brain regions containing liquefactive necrosis, solid tumor, peripheral tumor and normal tissue differed significantly with regard to the spectral curve slope (0.24±0.46, 1.81±1.09, 0.8±0.43 and 0.11±0.27, respectively; P<0.01), CT value (27.2±4.51, 103.18±35.48, 65.19±13.72 and 38.07±7.36, respectively; P<0.01) and iodine concentration (2.41±3.86, 16.05±9.75, 6.76±3.66 and 1.06±2.35, respectively; P<0.0001). The percentage of Ki67‑positive cells correlated with the CT value (r=0.903; P<0.001), spectral curve slope (r=0.821; P<0.001) and iodine concentration (r=0.813; P<0.001). Spectral CT can detect microstructural changes within malignant gliomas and potentially provide important information regarding tumor proliferation and the extent of the invasion.
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Copy and paste a formatted citation
Spandidos Publications style
Liu J, Zhou J, Li J, Zhang L, Zhang P and Liu B: Evaluation of rat C6 malignant glioma using spectral computed tomography. Exp Ther Med 14: 1037-1044, 2017.
APA
Liu, J., Zhou, J., Li, J., Zhang, L., Zhang, P., & Liu, B. (2017). Evaluation of rat C6 malignant glioma using spectral computed tomography. Experimental and Therapeutic Medicine, 14, 1037-1044. https://doi.org/10.3892/etm.2017.4613
MLA
Liu, J., Zhou, J., Li, J., Zhang, L., Zhang, P., Liu, B."Evaluation of rat C6 malignant glioma using spectral computed tomography". Experimental and Therapeutic Medicine 14.2 (2017): 1037-1044.
Chicago
Liu, J., Zhou, J., Li, J., Zhang, L., Zhang, P., Liu, B."Evaluation of rat C6 malignant glioma using spectral computed tomography". Experimental and Therapeutic Medicine 14, no. 2 (2017): 1037-1044. https://doi.org/10.3892/etm.2017.4613
Copy and paste a formatted citation
x
Spandidos Publications style
Liu J, Zhou J, Li J, Zhang L, Zhang P and Liu B: Evaluation of rat C6 malignant glioma using spectral computed tomography. Exp Ther Med 14: 1037-1044, 2017.
APA
Liu, J., Zhou, J., Li, J., Zhang, L., Zhang, P., & Liu, B. (2017). Evaluation of rat C6 malignant glioma using spectral computed tomography. Experimental and Therapeutic Medicine, 14, 1037-1044. https://doi.org/10.3892/etm.2017.4613
MLA
Liu, J., Zhou, J., Li, J., Zhang, L., Zhang, P., Liu, B."Evaluation of rat C6 malignant glioma using spectral computed tomography". Experimental and Therapeutic Medicine 14.2 (2017): 1037-1044.
Chicago
Liu, J., Zhou, J., Li, J., Zhang, L., Zhang, P., Liu, B."Evaluation of rat C6 malignant glioma using spectral computed tomography". Experimental and Therapeutic Medicine 14, no. 2 (2017): 1037-1044. https://doi.org/10.3892/etm.2017.4613
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