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Differential diagnosis of sinonasal granulomatous inflammation
| Mycobacterial infection – tuberculosis, leprosy |
| Rhinoscleroma |
| Human immunodeficiency virus |
| Fungal infection – Aspergillus flavus |
| Sarcoidosis |
| Wegener's granulomatosis |
| Churg–Strauss angiitis |
| Cocaine-induced midline destructive lesion |
| Intra-nasal narcotic abuse |
| Cholesterol granuloma of the paranasal sinuses (post-haemorrhage) |
| Malakoplakia |
