Sinoorbital Mucormycosis Associated with Corticosteroid Therapy in COVID-19 Infection

Figure 4

Axial paranasal CT images without contrast administration showing (a) mucosal thickening and secretion in the right maxillary sinus and a retention cyst in the Lt maxillary sinus and (b) mucosal thickening and secretion in the right ethmoid sinus with a lesser degree in the Lt ethmoid sinus.

(a)

(b)