Table 2: Severity of disease according to the Ssali classification ( ).

Staging Crust Odour Atrophy No. of cases (%)

EarlyMinimal Mild foetor Only at turbinates 12 (13.3%)
Advanced Lots Foul Generalized, including bones 54 (59.9%)
Late advancedExtensiveFoulUlceration/bleeding, very large nasal cavities24 (26.6%)