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Abstract #2904

Differentiating the treatment-related effect from tumor recurrence using amide proton transfer‐weighted (APTW) and pseudo-continuous arterial spin labeling (pcASL) MRI

Qihong Rui1, Dexia Kong1, Tianyu Zou1, Yingjie Mei2, Hao Yu1, Shanshan Jiang3, Xianlong Wang1, Jinyuan Zhou3, and Zhibo Wen1

1Department of Radiology, Zhujiang Hospital of Southern Medical University, Guangzhou, China, 2Philips Healthcare, Guangzhou, China, 3Division of MR Research, Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States

Discriminating treatment-related effect from tumor recurrence with is critical for treatment decision-making. Amide proton transfer (APT) and pseudo-continuous arterial spin labeling (pcASL) are two non-invasive advanced magnetic resonance imaging (MRI) techniques. In this study we combined two techniques hoping to explore their diagnostic performance in differentiating treatment-related effect from tumor recurrence.

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