title: Squamous cell carcinoma of the frontal and ethmoidal paranasal sinuses masquerading as acute dacryocystitis.
authors.forename: S A
authors.initials: SA
authors.lastname: Lalchan
authors.forename: S V
authors.initials: SV
authors.lastname: Raman
authors.forename: G J
authors.initials: GJ
authors.lastname: Menon
authors.forename: V T
authors.initials: VT
authors.lastname: Thaller
mesh_terms: D000208:Acute Disease; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003607:Dacryocystitis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*