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Table 1 MRI protocols for both vender

From: Machine learning-based radiomics model to predict benign and malignant PI-RADS v2.1 category 3 lesions: a retrospective multi-center study

MRI vendor sequence

Siemens Skyra 3.0 T MR scanner (Germany)

Philips Ingenia 3.0 T MR scanner (Netherlands)

T1WI

AxialT2WI

SagittlT2WI

DWI

T1WI

AxialT2WI

SagittlT2WI

DWI

TR(ms)

680.0

6980.0

3900.0

5000.0

556.0

3000.0

4978.0

6000.0

TE(ms)

13.00

104.00

89.00

72.00

8.00

100.00

100.00

77.00

Slice thickness(mm)

5.0

3.0

3.0

3.0

5.0

3.0

1.5

3.0

Slice gap(mm)

0.50

0.00

0.45

0.00

0.00

0.00

0.15

0.00

Matrix

384 × 384

384 × 384

384 × 384

130 × 130

276 × 406

240 × 161

276 × 238

124 × 121

FOV(mm × mm)

380 × 380

200 × 200

200 × 200

288 × 288

249 × 415

220 × 220

240 × 180

220 × 220

NSA

1

2

3

2

1

3

2

2

  1. TR repetition time; TE echo time; NSA number of signal averaged; T1WI T1 weighted imaging; T2WI T2 weighted imaging; DWI Diffusion Weighted Imaging