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Halo Sign [PDF] References: 1) Pinto PS. The CT Halo Sign. Radiology 2004;230:109-110 [PDF] 2) Lee YR, Choi YW, Lee KJ. CT halo sign: the spectrum of pulmonary diseases. British Journal of Radiology 2005;78:862-865 [PDF] 3) Parron M, Torres I, Pardo M. The Halo Sign in Computed Tomography Images: Differential Diagnosis and Correlation with Pathology Findings. Arch Bronconeumol 2008;44(7):386-392 [PDF] |