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- W2005031632 abstract "The purpose of this study was to assess the apparent diffusion coefficient (ADC) of neuroblastic tumours and to evaluate if the ADC can enable differentiation of neuroblastoma and ganglioneuroma/ganglioneuroblastoma.16 histologically classified tumours (10 neuroblastomas and 6 ganglioneuroma/ganglioneuroblastoma) were investigated in 15 children. Diffusion-weighted echo-planar imaging was performed with a b-value of 800s/mm². The contrast of tumour tissue depicted with T2-weighted images and diffusion-weighted images was evaluated by means of region-of-interest (ROI) measurements and a calculation of the ADC by a software tool. The ADC of the psoas-muscle was measured to establish an internal standard, too.The mean ADC of the 10 neuroblastomas was 0.81×10⁻³mm²/s (SD 0.29×10⁻³mm²/s, range 0.39-1.47×10⁻³)mm²/s). The mean ADC of the four ganglioneuroma and two ganglioneuroblastoma was 1.6×10⁻³mm²/s (SD 0.340×10⁻³mm²/s, range 1.13-1.99)×10⁻³mm²/s. The difference was significant in the t-test (p=0.01). We found no ganglioneuroma or ganglioneuroblastoma with an ADC below 1.1×10⁻³mm²/s.There is a significant difference of the ADC of neuroblastoma compared to the ADC of ganglioneuroma/ganglioneuroblastoma. These first results suggest that the diffusion-weighted imaging could differentiate neuroblastoma and ganglioneuroma/ganglioneuroblastoma by calculating the ADC." @default.
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- W2005031632 date "2011-09-01" @default.
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- W2005031632 title "Diffusion-weighted MRI for differentiation of neuroblastoma and ganglioneuroblastoma/ganglioneuroma" @default.
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- W2005031632 doi "https://doi.org/10.1016/j.ejrad.2010.04.005" @default.
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