Table 2 Comparison of MR parameters between benign and malignant salivary gland lesions.

From: Differentiating malignant from benign salivary gland lesions: a multiparametric non-contrast MR imaging approach

Parameters

Malignant (n = 11)

All benign (n = 31)

pa

PA (n = 12)

pa

WT (n = 11)

pa

ADC (× 10−3 mm2/s)

1.00 ± 0.37

1.27 ± 0.53

0.155

1.70 ± 0.52

0.001

0.98 ± 0.16

1.000

TBF (mL/100 g/min)

59.79 ± 28.13

73.86 ± 45.79

0.498

38.70 ± 25.68

0.059

107.70 ± 38.58

0.005

APTSI (%)

2.18 ± 0.89

1.57 ± 1.09

0.047

1.33 ± 0.81

0.037

1.44 ± 0.68

0.101

  1. ADC, apparent diffusion coefficient; TBF, tumor blood flow; APTSI, amide proton transfer related signal intensity; PA, pleomorphic adenoma; WT, Warthin tumor.
  2. aComparisons with malignant lesions were assessed using the Mann–Whitney U test.