Table 3 Extrasinus soft tissue infiltration in COVID-19 patients with AIFRS enrolled in the study
Infiltration (extension beyond the sinus) | Frequency | Percent |
|---|---|---|
Pterygopalatine infiltration | 49 | 90.7 |
Anterior periantral fat | 8 | 14.8 |
Posterior periantral fat | 8 | 14.8 |
Nasolacrimal duct | 4 | 7.4 |
Lacrimal sac | 4 | 7.4 |
Orbital fat (medial/inferior) | 16 | 29.6 |
Nasal septal mucosal ulcer | 17 | 31.5 |