Fig. 3
From: Early CT and MRI signs of invasive fungal sinusitis complicating COVID-19 infection: case report
A, B Axial CT cuts of the paranasal sinuses and orbital regions revealed (1) soft tissue fullness replacing the left pre-maxillary antral fat (red arrow), (2) mild antral mucosal thickening, and (3) thinning out of the medial and lateral maxillary bony walls with areas of dehiscence and rarefaction that extended posteriorly up to the root of the pterygoid plates (yellow arrows). C Coronal T1WI MRI of the paranasal sinuses revealed asymmetrical fullness and heterogeneous signal intensity of the premaxillary fat (red square). D Coronal T2WI MRI of the paranasal sinuses and orbital regions revealed left maxillary sinusitis still with clear peri-orbital fat planes (green arrow)