Table 2 Minimum CTDIvol necessary for sufficient image quality (score ≥ 3) depending on material group and phantom size.

From: The potential use of scout views as an adjunct tool in CT-guided intervention

Minimum CTDIvol

Phantom size

Small

Medium

Large

material group 1

≥ 0.01 mGy

≥ 0.02 mGy

≥ 0.18 mGy

material group 2

≥ 0.01 mGy

≥ 0.06 mGy

≥ 0.44 mGy

material group 3

n/a

n/a

n/a

Clinical protocol

0.07 mGy

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