chemical-shift

chem·i·cal-shift

(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 ?
Second, the cohort included eight cases of thymic hyperplasia with diagnosis obtained through histology in four cases and chemical-shift magnetic resonance imaging (MRI) in the remaining cases.
Chemical-shift and diffusion-weighted magnetic resonance imaging of thymus in myasthenia gravis: usefulness of quantitative assessment.
The CSI signal loss can be measured quantitatively, as the adrenal-to-spleen chemical-shift ratio, by dividing the lesion-to-spleen signal intensity ratios on the IP images by the OOP images.
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.
Characterization of the normal and hyperplastic thymus on chemical-shift MR imaging.

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