Multi-Contrast Differentiation by Dual-Energy Spectral CT Angiography in a Patient with Pulmonary Barium Granulomas.

Autor: D'Angelo T; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy.; Department of Radiology and Nuclear Medicine, Erasmus MC, 3015 GD Rotterdam, The Netherlands., Arico FM; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy., Broccio L; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy., Ascenti G; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy., Mazziotti S; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy., Booz C; Division of Experimental Imaging, Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany., Martin SS; Division of Experimental Imaging, Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany., Yel I; Division of Experimental Imaging, Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany., Lanzafame LRM; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy., Blandino A; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy., Sofia C; Diagnostic and Interventional Radiology Unit, BIOMORF Department, University Hospital 'Policlinico G. Martino', 98124 Messina, Italy.
Jazyk: angličtina
Zdroj: Diagnostics (Basel, Switzerland) [Diagnostics (Basel)] 2023 Feb 22; Vol. 13 (5). Date of Electronic Publication: 2023 Feb 22.
DOI: 10.3390/diagnostics13050832
Abstrakt: Barium inhalation usually relates to accidental aspiration during radiological procedures with an oral contrast agent. When present, barium lung deposits are visible as high-density opacities on chest X-ray or CT scan due to high atomic number, and they may be indistinguishable from calcifications. Dual-layer spectral CT has shown good material differentiation capabilities, due to its increased high-Z element range and smaller spectral separation between low- and high-energy spectral data. We present the case of a 17-year-old female with a history of tracheoesophageal fistula, who underwent chest CT angiography on a dual-layer spectral platform. Despite the close Z numbers and K-edge energy levels of the two different contrast materials, spectral CT was able to identify barium lung deposits from a previous swallowing study and to clearly distinguish them from calcium and the surrounding iodine-containing structures.
Databáze: MEDLINE
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