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Table 1 Sequence parameters of the MRI protocol

From: Convolutional neural networks for head and neck tumor segmentation on 7-channel multiparametric MRI: a leave-one-out analysis

Sequence

TE [ms]

TR [ms]

Resolution [mm3]

Comments / Other

T1 fast Spin Echo

11

504

0.7 × 0.7 × 4

 

T2 fast Spin Echo

100

5000

0.7 × 0.7 × 4

 

Multi-Echo GRE

5–33

600

1.1 × 1.1 × 3

nEchoes = 12, reconstructed map: T2*

DWI

51

2510

2 × 2 × 3

b = {50,400,800} s/mm2, reconstructed map: ADC

Dynamic T1w Perfusion Measurement

1.56

4.65

1.4 × 1.4 × 3

nTimepoints = 36, reconstructed maps: ktrans, ve

T1 VIBE Dixon

2.45

8.67

0.45 × 0.45 × 2

Post contrast. Water image used.