Research Article

Automated Ventricular System Segmentation in Paediatric Patients Treated for Hydrocephalus Using Deep Learning Methods

Table 1

Low dose and standard dose CT scan protocols along with reconstruction parameters. All scans were acquired using a Siemens Somatom Definition AS.

Low dose protocols    
Average effective dose 1.85 mSv (std. 0.58 mSv)
For children over 1 but under 6 years of ageTube current: Eff mAs CARE Dose4D
Tube potential: 120 kV
Reconstruction algorithm: Kernel C30s med. smooth FR
Reconstructed slice thickness: 1.0 mm
For children over 6 years of ageTube current: 200 effective mAs
Tube potential: 120 kV
Reconstruction algorithm: Kernel H31f medium smooth +
Reconstructed slice thickness: 1.0 mm

Standard dose protocols    
Average effective dose 3.16 mSv (std. 0.75 mSv)
For children under 6 years of ageTube current: Eff mAs CARE Dose4D
Tube potential: 120 kV
Reconstruction algorithm: Kernel C30s med. smooth FR
Reconstructed slice thickness: 1.0 mm
For children over 6 but under 10 years of ageTube current: Eff mAs 286
Tube potential: 120 kV
Reconstruction algorithm: Kernel H30s medium smooth
Reconstructed slice thickness: 1.0 mm
For children over 10 years of ageTube current: Eff mAs 343
Tube potential: 120 kV
Reconstruction algorithm: Kernel H30s medium smooth +
Reconstructed slice thickness: 1.0 mm