Aetiology:
A disease of unknown aetiology, occurring mainly in developing countries. It can occur following radical turbinectomy operations or radiotherapy to the nasal cavity.
Clinical features:
Nasal crusting, anosmia and fetor are present. Paradoxically, although the nasal cavity is widely patent, the sensation of nasal obstruction is common.
Management:
Treatment is by removal of crusts and nasal douches.
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