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Abstract #1441

Can we use Ultrafast Dynamic Contrast Enhanced MRI to evaluate Ductal Carcinoma in situ?

Masako Y Kataoka1, Maya Honda1, Mami Iima1, Akane Ohashi2, Rie Ota1, Yosuke Yamada3, Masakazu Toi4, and Yuji Nakamoto1
1Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan, 2Kyoto Medical Center, Kyoto, Japan, 3Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan, 4Department of Breast Surgery, Kyoto University Hospital, Kyoto, Japan

Using ultrafast DCE (UF-DCE) MRI, size and morphology of DCIS on very early phase of the post contrast injection were compared to those on early phase of conventional DCE (C-DCE) MRI and on High resolution post contrast enhancement (HR-CE). Lesion size tended to be smaller on UF-DCE MRI. Clustered ring is not frequently observed on UF-DCE MRI compared to HR-CE. These data suggest evaluating DCIS on UF-DCE may be dealt with caution.

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