Clinical Study of Tumor Angiogenesis and Perfusion Imaging Using Multi-slice Spiral Computed Tomography for Breast Cancer

  • Xu, Na (Department of Radiology, The First Hospital of Liaoning Medical College) ;
  • Lei, Zhen (Department of Radiology, The First Hospital of Liaoning Medical College) ;
  • Li, Xiao-Long (Department of Radiology, The General Hospital of Chinese People's Liberation Army) ;
  • Zhang, Jun (Department of Radiology, The Hospital of Shanqiao Group of China Railway) ;
  • Li, Chen (Central Laboratory, The First Hospital of Liaoning Medical College) ;
  • Feng, Guo-Quan (Department of Radiology, The First Hospital of Liaoning Medical College) ;
  • Li, Di-Nuo (Department of General Surgery, The First Hospital of Liaoning Medical College) ;
  • Liu, Jing-Yi (Department of Radiology, The First Hospital of Liaoning Medical College) ;
  • Wei, Qiang (Department of Radiology, The First Hospital of Liaoning Medical College) ;
  • Bian, Ting-Ting (Department of Radiology, The First Hospital of Liaoning Medical College) ;
  • Zou, Tian-Yu (Department of Radiology, The First Hospital of Liaoning Medical College)
  • Published : 2013.01.31


Objectives: To explore the correlation between multi-slice spiral CT (MSCT) perfusion parameters and the expression of vascular endothelial growth factor (VEGF) as well as matrix metalloproteinase-2 (MMP-2) in breast cancer. Methods: Forty five breast cancer patients and 16 patients with benign breast tumor, both confirmed by pathology examination, were enrolled. All underwent MSCT perfusion imaging to obtain perfusion maps and data for parameters including blood flow (BF), blood volume (BV) and permeability surface (PS). Cancer patients did not receive treatment prior to surgery. The expression of VEGF and MMP-2 were examined with both immunohistochemistry and Western blotting. Results: The levels of VEGF and MMP-2 by immunohistochemistry were significantly higher in the breast cancer group (P < 0.01) than the benign tumor group. Relative OD values from Western blotting were also higher in cancer cases (P < 0.05). Similarly, the mean MSCT perfusion parameters (BF, BV, PS) were significantly higher in the breast cancer group (P < 0.01), BF and BV positively correlating with VEGF expression (r = 0.878 and 0.809 respectively, P < 0.01); PS and VEGF and MMP-2 expression were also positively correlated (r= 0.860, 0.786 respectively, P < 0.01). Conclusion: There is a correlation between breast cancer MSCT perfusion parameters and VEGF andMMP-2 expression, which might be useful for detection of breast lesions, qualitative diagnosis of breast cancer, and evaluation of breast cancer treatment.


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