Squamous metaplasia and chronic rhinosinusitis: a clinicopathological study.
Robert G MynattJennifer DoChristine JanneyRaj Sindwani
Published in: American journal of rhinology (2009)
SM is present in approximately 18% of routine CRS specimens. It has a positive correlation with the severity of inflammation noted histologically in CRS but does not correlate with disease severity or chronicity, clinically.