Table 1 Acquisition and CTDI parameters of the various scans performed in this comparative study.

From: Significant dose reduction using synchrotron radiation computed tomography: first clinical case and application to high resolution CT exams

Acquisition protocols

Energy

PMMA thickness

Slice thickness

Pixel size

Number of projections

Dose CTDI

(cm)

(mm)

(mm)

(−)

(mGy)

Conventional clinical CT

Standard head (patient)

120 kVp

n.a.

1.25

0.44

n.a

33

250 mA

Inner ear (phantom)

120 kVp

n.a.

0.625

0.44

n.a

183

350 mA

SR-CT

Patient acquisition

80 keV

14.5

2

0.35

1024

93

191 mA

‘Low dose’ (phantom)

80 keV

18

0.625

0.35

340

14.8

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