Mucormycosis – resurgence of a deadly opportunist during COVID-19 pandemic: Four case reports

Figure 1 Clinical picture of oral mucormycosis. A: Multiple lesion on gingiva (Case 1); B: Erythema and multiple pus discharging sinuses on gingiva (Case 2); C: Discoloration of hard palate (Case 4).

Figure 2 Staining and culture characteristics of mucormycosis. A: Broad ribbon like aseptate hyphae seen on lactophenol cotton blue staining; B: Whitish grey cottony growth on Sabouraud’s dextrose agar.

Figure 3 Noncontrast computed tomography of paranasal sinuses. A: Axial section showing mucosal thickening and bone remodeling involving ethmoidal sinus on right side; B: Axial section showing mucosal thickening on right maxillary sinus with remodeling of medial wall.

Figure 4 Flow chart for diagnosis of mucormycosis[21,23]. KOH: Potassium hydroxide; LPCB: Lactophenol cotton blue; PAS: Periodic acid–Schiff; GMS: Grocott-Gomori's methenamine silver; SDA: Sabouraud dextrose agar.