Abstract #3812

Evaluation of Native T1, Extracellular Volume, and apparent diffusion coefficient in Invasive Ductal Carcinoma

Ryoko Yamamori¹, Akihiro Kitanaka¹, Masatoshi Sakai¹, Shinsuke Oie¹, Naoki Ohno², Yuki Koshino², and Ayako Katagiri³

¹Department of Radiological technology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan, ²Division of Health Sciences, Institute of Sciences, Kanazawa University, Kanazawa, Japan, ³Department of Radiology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan

We evaluated native T1 and extracellular volume (ECV) of the breast using modified Look-Locker inversion recovery (MOLLI) sequence and compared those between invasive ductal carcinoma (IDC) and fibroglandular tissue. Moreover, we investigated the relationship between ECV and apparent diffusion coefficient (ADC) in IDC. Our results showed that ECV of IDC was significantly higher than fibroglandular tissue, whereas there was no significant difference in native T1 between both tissues. In addition, there was no significant correlation between ECV and ADC in IDC. ECV measurement using MOLLI may provide new and more detailed information in breast cancer.

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