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Abstract #2117

Dynamic contrast-enhanced magnetic resonance imaging in discriminating invasive ductal carcinoma and fibroadenoma: 2D maximum diameter versus 3D whole-tumor

Ting Liang1, Hongwen Du1, Gang Niu1, Peng Cao1, Chenxia Li1, Heng Liu1, Miaomiao Wang1, and Jian Yang1

1Department of Diagnostic Radiology, the First Affiliated Hospital of Xi’an Jiaotong University, Xi'an, Shaanxi, People's Republic of China

DCE quantitative measurement plays an important role in the identification of breast tumors. However, different ROI placement can directly affect the inspection results. However, there is no clear standard protocol for clinical routine use. This study aims to evaluate the effect of 2-dimensional maximum diameter (2DMD) and 3-dimensional whole-tumor (3DWT) on quantitative DCE-MRI in differentiating invasive ductal carcinoma (IDC) and breast fibroadenoma which are confirmed by surgical pathology, and determined the more efficient approach for ROI measurement. Our results suggested that 2DMD mean value has more diagnostic performance than 3DWT assessment in distinguishing IDC from fibroadenoma.

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