Fig. 9

A 50-year-old diabetic patient with a history of COVID infection 1 month back, presented with acute onset nasal blockage and discharge, swelling on the right side of the face. Post-contrast T1 W coronal (a) and axial (b) images showing mucosal thickening of bilateral maxillary sinuses with contents in left maxillary sinus with the black turbinate sign of right middle turbinate. B/l Intraorbital extension of infection seen with left optic neuritis. Right cavernous sinus invasion is seen with loss of signal void of right intracavernous ICA. MIP images of MRA (c) show right ICA thrombosis. (d) DWI image showing few septic infarcts in left centrum semiovale. Findings were consistent with Invasive mucormycosis