The Reversed Halo Sign on Computed Tomography of Chest in Pulmonary Tuberculosis: A Case Report
Abstract
The reversed halo sign is characterized by a focal rounded area of ground glass opacity surrounded by a ring of consolidation and it has been described in a variety of pulmonary diseases, including infectious and noninfectious diseases. The authors report the reversed halo sign on computed tomography of chest from pulmonary tuberculosis in a patient with underlying diffuse large B-cell lymphoma.
Keywords: Reversed halo sign, computed tomography, pulmonary tuberculosis, invasive fungal infection
Siriraj Med J 2014;66:25-27
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