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Figure 2. CT Images of Nasal Polyps
a
a
e incidence of CRSwNP is estimated between 2% and 4% of all individuals.
A) Complete opacification of the maxillary and ethmoid sinuses, arising from chronic rhinosinusitis
with polyps. (B) Partial opacification within the right maxillary and posterior ethmoid sinuses, with
complete opacification of these sinuses on the le. (C) Arrowheads indicate so tissue opacification
from polyps within the nasal cavity.