Impact of Preoperative Systemic Corticosteroids on the Histology and Diagnosis of Eosinophilic Chronic Rhinosinusitis

Conclusions: Low-dose and short-term oPSL did not appear to markedly affect the tissue eosinophil count in ECRS patients; however, the potential for misdiagnoses due to the effects of oPSL cannot be rejected. The diagnosis of ECRS prior to the administration of corticosteroids or tissue evaluations using multiple tissue parts is desirable.Int Arch Allergy Immunol (Source: International Archives of Allergy and Immunology)

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