Infectious diseases |
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- Leprosy (lepromatous type)
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- Mucocutaneous leishmaniasis
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Medication/medical therapy related |
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- Complication of septal surgery or cautery for epistaxis
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- Intranasal glucocorticoid sprays (incorrect use)
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Rheumatologic diseases |
- Granulomatosis with polyangiitis
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- Mixed connective tissue disease
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- Progressive systemic sclerosis
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- Systemic lupus erythematosus
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Other |
- Atrophic rhinitis (primary)
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- Industrial exposure to metal plating solutions (chrome)
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- Intranasal cocaine use (both cocaine and adulterants, such as borax or talcum powder)
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