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Fig. 2 | Cancer Imaging

Fig. 2

From: Amide proton transfer (APT) and magnetization transfer (MT) in predicting short-term therapeutic outcome in nasopharyngeal carcinoma after chemoradiotherapy: a feasibility study of three-dimensional chemical exchange saturation transfer (CEST) MRI

Fig. 2

The principle of the 3D CEST pulse sequence. By applying a selective saturation pulse for amide proton at 3.5 ppm and non-selective saturation pulse at 7.0 ppm to achieve proton exchange with bulk water, the values of APTw-SI: MTRasym (3.5ppm) and MTR (7.0ppm) can be calculated according to the above equation and displayed in colors

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Cancer Imaging

ISSN: 1470-7330

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