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Table 2 Apparent diffusion coefficient (ADC) and intravoxel incoherent motion (IVIM) parameter values of the primary tumour between patients without nodal involvement, those with sub-centimetre involvement, and those with size-significant involvement. ADC: apparent diffusion coefficient (x 10− 3 mm2/s); D: pure diffusion coefficient (x 10− 3 mm2/s); f: perfusion fraction. PLN: pelvic lymph node

From: Diffusion-weighted magnetic resonance imaging of primary cervical cancer in the detection of sub-centimetre metastatic lymph nodes

 

No involvement

Sub-centimetre involvement

Size-significant involvement

p-value

DTV (cm3)

22.84 ± 22.84

54.04 ± 52.42

50.18 ± 34.63

0.013

ADC (10−3 mm2/s)

1.07 ± 0.15

0.98 ± 0.14

0.93 ± 0.11

0.015

D (10− 3 mm2/s)

0.91 ± 0.16

0.84 ± 0.12

0.80 ± 0.09

0.057

f

0.19 ± 0.04

0.15 ± 0.03

0.16 ± 0.04

0.006