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Table 2 Image quality criteria for chest CT

From: Correlation of clinical and physical-technical image quality in chest CT: a human cadaver study applied on iterative reconstruction

Criterion no. Description:
1 Visually sharp reproduction of a nodular hypodense structure in a high density area such as an alveolus in consolidated lung parenchyma
2 Visually sharp reproduction of a nodular hypodense structure in a low density area such as normal lung parenchyma
3 Visually sharp reproduction of a nodular hyperdense structure in a low density area such as a vessel in aerated lung parenchyma
4 Visually sharp reproduction of an inter- or intralobular septum
5 Visually sharp reproduction of the bronchial wall
6 Visually sharp reproduction of the lung fissure
7 Visually sharp reproduction of a peripheral pulmonary artery branch
8 Visually sharp reproduction of fibrous strands
9 Visually sharp reproduction of the parietal and or visceral pleura