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In vivo assessment of optimal b-value range for perfusion-insensitive apparent diffusion coefficient imaging
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10.1118/1.4736516
/content/aapm/journal/medphys/39/8/10.1118/1.4736516
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/8/10.1118/1.4736516

Figures

Image of FIG. 1.
FIG. 1.

Representative ADC maps (first row) and liver (encircled) signal-decay plots (second row) organized according to the minimal b-value used to calculate the ADC. The ADC maps were calculated using the ADC2 estimator with fixed b max = 800 s/mm2 and varying b min. The discrepancy between the ADC2 and the slow-diffusion component of the IVIM model (ADCIVIM) decreases as the b min increases.

Image of FIG. 2.
FIG. 2.

The relative root mean squared error surface between the ADC estimates from the simulated DW-MRI data and the reference standard ADCIVIM as a function of the b min and b max. The surfaces are organized according to the organ (rows) and the ADC estimator (columns).

Image of FIG. 3.
FIG. 3.

The relative root mean squared error surface between the ADC estimates from the in vivo DW-MRI data and the reference standard ADCIVIM as a function of the b min and b max. The surfaces are organized according to the organ (rows) and the ADC estimator (columns).

Tables

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TABLE I.

Summary statistics of IVIM and ADC values for each organ and ADC estimation method.

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TABLE II.

Recommended pairs and triplets of b-values for each organ and ADC estimation method.

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TABLE III.

Correlation analysis between the fast-diffusion fraction (f) and the optimal RRMS obtained by the ADC estimators.

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TABLE IV.

Recommended pairs and triplets of b-values for each organ and ADC estimation method based on the in vivo data.

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/content/aapm/journal/medphys/39/8/10.1118/1.4736516
2012-07-20
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: In vivo assessment of optimal b-value range for perfusion-insensitive apparent diffusion coefficient imaging
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/8/10.1118/1.4736516
10.1118/1.4736516
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