Fig. 1From: Impact of iodine concentration and scan parameters on image quality, contrast enhancement and radiation dose in thoracic CTa Kyoto Kaguka Lungman Phantom (medium size) displaying the seven straws. b A single computed tomography (CT) image acquired using the phantom. This image includes the seven straws containing different iodine densities, resulting in specific HU values at 120 kVp when using a constant volume CT dose indexBack to article page