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European Radiology Experimental
Fig. 1 | European Radiology Experimental

Fig. 1

From: In vitro qualitative and quantitative CT assessment of iodinated aerosol nasal deposition using a 3D-printed nasal replica

Fig. 1

Three-dimensional volume-rendered computed tomography image demonstrating the nasal cast from anteriorly: the nose spray (arrow) was applied into the support below the right nostril for standardised application of the spray (a). Sagittal reformation depicting the iodinated contrast agent droplets in the nasal cavity (bright hyperdense spots) (b). The colours indicate pixels with attenuation values exceeding the predefined threshold in the region of interest (c). On the lower image, a sagittal image after segmentation is shown. The green colour indicates the iodinated deposited droplets. Note the depositions mainly in regions next to the superior and middle concha

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