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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