Rapid chemical exchange saturation transfer imaging method and system

A technology of chemical exchange and transfer imaging, which is used in medical science, diagnosis, measurement of magnetic variables, etc. It can solve the problems of long CEST imaging time, and achieve the effect of realizing self-adaptation, improving imaging speed and ensuring reconstruction quality.
CN105759233AActive Publication Date: 2016-07-13SHENZHEN INST OF ADVANCED TECH
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN INST OF ADVANCED TECH
Publication Date
2016-07-13

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Abstract

The invention discloses a rapid chemical exchange saturation transfer imaging method and system, and the method determines that a current image employs a first downsampling rate or a second downsampling rate through judging the relation between the mean signal intensity of the image and a preset signal intensity threshold value; The method solves a problem that a low signal to noise ratio image is difficult to achieve a better reconstruction result because all CEST images employ the same downsampling rate, achieves the adaptivity of a CEST imaging undersampling mode, improves the CEST imaging speed, and guarantees the reconstruction quality of an CEST image.
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Description

technical field

[0001] The present application relates to the technical field of magnetic resonance imaging, in particular to a fast chemical exchange saturation transfer imaging method and system. Background technique

[0002] Magnetic resonance chemical exchange saturation transfer (Chemical Exchange Saturation Transfer, CEST) imaging is a new magnetic resonance contrast imaging mechanism. This imaging method is sensitive to the chemical exchange and chemical kinetics of dilute macromolecules. potential for tracking tumor cells, bacterial / viral infection, pH and temperature changes, etc. In recent years, CEST imaging has been increasingly used in the research of in vivo diseases such as tumors, acute stroke and kidney injury, and has become a new method of magnetic resonance molecular imaging.

[0003] Chemical exchange saturation transfer imaging is a new endogenous molecular imaging method, which uses a new contrast mechanism to selectively saturate exchangeable protons...

Claims

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