Fig. 1From: Frequency of CD4+ and CD8+ T cells in Iranian chronic rhinosinusitis patientsThe distribution of infiltrating inflammatory cells to the sinonasal tissues. Representative IHC staining of CD4+ T cells, CD8+ T cells, and CD68+ macrophages, as well as H&E staining for eosinophils, neutrophils, and total inflammatory cells in controls, CRSsNP, and CRSwNP patients. Scale bar 100 µm. CRSsNP chronic rhinosinusitis without polyp, CRSwNP chronic rhinosinusitis with polypBack to article page