Radiological examinations in patient with invasive pulmonary mucormycosis presenting reversed halo sigh. (A) Micro computed tomography (CT) image of the lung tissue with invasive pulmonary mucormycosis. The dagger (†) and the asterisk signs (*) are placed on the areas of ground-glass opacity (GGO) and outer rim, respectively. (B) 3D reconstruction image processed by applying 3D volume rendering software. Central GGO and peripheral ring-shaped high-density area (*) were observed.