(kĕm-i'kăl shift)
Magnetic resonance artifact along the frequency axis caused by the difference in frequency between fat and water.
References in periodicals archive ?
Combined late gadolinium-enhanced and double-echo chemical-shift MRI help to differentiate renal oncocytomas with high central T2 signal intensity from renal cell carcinomas.
At MR, intracellular lipid can be detected using chemical-shift imaging (CSI), which takes advantage of the differing resonant frequencies of protons in lipid and water molecules.
Recently, in-phase/opposed-phase, chemical-shift MRIs have been used to discriminate between benign and malignant lesions.

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