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. 2023 Oct 3;96(1151):20221019. doi: 10.1259/bjr.20221019

Table 1.

Technical details of Diffusion Tensor Imaging (DTI) studies on healthy and nonhealthy cervical spinal cord

Study Scanner Make Field strength (T) Gradient directions Voxel size (mm3) FOV
(mm)
b-values
(mm2/s)
Signal averages TR (ms) TE (ms) Acquisition No. of repeated scans [time interval] ROI method Software for DTI metrics extraction
Smith et al 18 Philips 3 16 NA 145 × 120 500 3 6300 63 Axial Twice [1 week] Manual CATBAP
Mohamed, Feroze B., et al. 19 General Electric 1.5 6 NA 128 × 128 700 2 6000 60 Axial Twice [4–5 weeks] Manual DTI Studio
Barakat, N., et al. 20 Siemens 3 20 1.2 × 1.2×3 NA 1000 3 (6100–8000) 115 Axial Twice [9 h] Manual MedINRIA
Mulcahey et al. 21 Siemens 3 20 1.2 × 1.2×3 NA 1000 3 (6100–8000) 115 Axial Twice [9 h] Manual NA
Barakat et al. 22 Siemens 3 20 1.2 × 1.2×3 NA 1000 3 (6100–8000) 115 Axial Twice [3 months] Manual MedINRIA
Taso, Manuel, et al. 23 Siemens 3 30 NA 128 × 128 800 4 3RR 79.2 Axial  NA Automatic Neuro 3D (Siemens)
By, Samantha, et al. 24 Philips 3 6,15 and 32 NA 64 × 48 750 9,4 and 2 5000 50 Axial Three [10 days] Automatic Camino
Peterson, D. J., et al. 25 Siemens 3 10 NA 200 × 100 750 6 2600 90 Axial Twice [afterwards] Automatic Spinal Cord Toolbox (SCT)
Martin, A. R., et al. 26 General Electric 3 25 NA 80 × 80 800 NA 4050 91.2 Axial Twice [afterwards] Automatic Spinal Cord Toolbox (SCT)
Guan, Li, et al. 27 Philips 3 15 NA 180 × 180 600 1 2500 82 Axial Twice [10 days] Manual DTI Studio
Lee, Eugene, et al. 28 Philips 3 15 2 × 2×2 250 600 4 3400 60 Axial Twice [two weeks] Manual DTI task card (Philips)

FOV, field of view; NA, not available; ROI, region of interest; RR, Corresponds to a minimum time of TE (3 seconds); T, Tesla; TE, echo time; TR, repetition time.