Dry Crusty Nose: Not Just Rhinosinusitis! Hidden IgG4-related Disease Without IgG4 Level Rise
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IgG4-related disease (IgG4-RD) is a fibro-inflammatory condition that can affect various organs. Localized sinonasal IgG4-RD is a rare condition characterized by bone and soft-tissue invasion. In this report, we present a case of a patient initially diagnosed ... ...
