Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Histopathological sections of tissues from control subjects (A, D), ECRSwNP patients (B, E), and non-ECRSwNP (C, F) patients. H&E staining (A, B, and C show eosinophil indicated by arrows), immunohistochemistry (D, E, and F show MPO-positive cells indicated by arrows); original magnification, ×400. ECRSwNP = eosinophilic chronic rhinosinusitis with nasal polyps, H&E = hematoxylin and eosin.
