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Correlation Between Diffusion Weighted Imaging Parameters and Protein Content in Fluid:An Experimental Study / 中国医学影像学杂志
Chinese Journal of Medical Imaging ; (12): 413-417,422, 2015.
Artículo en Chino | WPRIM | ID: wpr-601440
ABSTRACT
Purpose Protein is the main influencing factors for diffusion weighted imaging (DWI) signals and apparent diffusion coefficient (ADC), it results in hyperintensity on DWI and low ADC, but not fully matched in clinic. This paper aims to investigate the effect of protein type and concentration on the signal intensity (SI) and ADC of DWI. Materials and Methods Different concentrations of albumin, globulin solution and the mixed solution were created in vitro. DWI was performed on GE 1.5T superconducting nuclear MRI system. Results ① There was a linear negative correlation between the ADC value and the concentrations of protein solution (at 37℃, ra= - 0.849, Pa0.05; at 40℃ , r= - 0.270, P>0.05). ② SI of the albumin solution was significantly higher than the globulin solution at the same concentration and temperature (t=3.96, P0.05). Conclusion The nature of the cystic fluid can be understood preliminarily through quantitative analysis of the cystic fluid DWI and ADC values, so as to provide theoretical basis for the qualitative diagnosis of cystic lesions in vivo.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Investigación cualitativa Idioma: Chino Revista: Chinese Journal of Medical Imaging Año: 2015 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Investigación cualitativa Idioma: Chino Revista: Chinese Journal of Medical Imaging Año: 2015 Tipo del documento: Artículo