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Table 2 Derived parameters from the biexponential fitting in malignant tumors

From: Investigation of the optimal b-value to detect breast tumors with diffusion weighted imaging by 1.5-T MRI

 

n

f fast

D fast

D slow

NIDC

9

0.717 ± 0.114

2.07 ± 0.319

0.179 ± 0.10

IDC

49

0.624 ± 0.125

2.08 ± 0.48

0.192 ± 0.09

Special type

6

0.673 ± 0.172

2.05 ± 0.32

0.203 ± 0.10

  1. f fast : fast component fraction, D fast : fast component ADC (×10−3 mm2/s), D slow : slow component ADC (×10−3 mm2/s), NIDC: Non-invasive ductal carcinoma, IDC: Invasive ductal carcinoma.