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Table 1 Scan parameters

From: 3D cone-beam CT with a twin robotic x-ray system in elbow imaging: comparison of image quality to high-resolution multidetector CT

Somatom Force1

regular-dose MDCT

low-dose MDCT

Reference kVp

120

120

Reference mAs

100

25

CTDIvol(16cm) (mGy)

13.8

3.3

Scan duration (s)

1

1

Collimation (mm)

2 × 32 × 0.3

2 × 32 × 0.3

Pitch (mm)

0.8

0.8

Multitom Rax1

regular-dose CBCT

low-dose CBCT

Reference kVp

80

80

Total scan mAs

757

210

CTDIvol(16cm) (mGy)

13.8

3.3

Scan duration (s)

12

12

Max. frames per second

30

30

Projections per scan

304

304

  1. CTDIvol(16cm) = volume computed tomography dose index (for 16 cm diameter PMMA dosimetry phantom)
  2. 1(Siemens Healthineers; Erlangen, Germany)
  3. Acquisition parameters for the regular-dose and dedicated low-dose scan protocols in prototype cone-beam CT (CBCT) and high-end multidetector CT (MDCT)