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Article type: Research Article
Authors: Ma, Zhong-Bina | Ge, Fang-Qinga | Wang, Wei-Xiaa | Sun, Zong-Qiongb; *
Affiliations: [a] Department of Radiology, Nantong Hospital of Traditional Chinese Medicine, Nantong, Jiangsu, China | [b] Department of Radiology, Affiliated Hospital of Jiangnan University, The Forth People’s Hospital of Wuxi City, Wuxi, Jiangsu, China
Correspondence: [*] Corresponding author: Zong-Qiong Sun, Department of Radiology, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, 214062, China. Tel.: +86 15312238218; E-mail: sun00211@163.com.
Abstract: PURPOSE:To explore the hemodynamic characteristics of variously differentiated breast ductal carcinoma (BDC) using the dynamic contrast-enhanced CT (DCE-CT) based CT perfusion imaging (CTPI), including the specific perfusion parameter values, and to identify potential clinical applications in the cell differentiation degree of BDC. MATERIALS AND METHODS:Forty patients with breast ductal carcinoma confirmed by needle puncture biopsy were studied prospectively using CTPI on a 64-slice spiral CT scanner. The acquired volume data were used for calculations, mapping, and analysis by using a tumor perfusion protocol in the CT perfusion software package to measure 4 parameters namely, blood flow (BF), blood volume (BV), mean transit time (MTT), and the permeability surface (PS) area product. The different differentiated BDC with CT perfusion parameters were divided into 3 groups of high, moderate and poor differentiation. The comparison among these groups were then made using statistical data analysis software. RESULTS:The patients were categorized into three groups of 12, 13, and 15 highly, moderately and poorly differentiated ductal carcinoma cases, respectively. Comparing the perfusion parameters values of the three groups, BF, BV, and PS values increased from highly to poorly differentiated BDC cases. Differences between the highly and moderately or poorly differentiated groups were all statistically significant for BF, BV, and PS values (p < 0.05), while MTT value showed no statistical difference among the three groups (p > 0.05). CONCLUSION:CTPI is a functional imaging technology from the perspective of hemodynamics with potential clinical applications. Three parameters of BF, BV and PS values have potential to serve as indicators of the cell differentiation degree of the breast ductal carcinoma.
Keywords: Breast cancer, tumor differentiation, dynamic contrast-enhanced CT, cancer prognosis
DOI: 10.3233/XST-180420
Journal: Journal of X-Ray Science and Technology, vol. 26, no. 6, pp. 977-986, 2018
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