title: Pathologic quiz case 1. Transitional (psammomatous) meningioma of the ethmoidal sinus.
authors.forename: T M
authors.initials: TM
authors.lastname: Andrews
authors.forename: C M
authors.initials: CM
authors.lastname: Myers
mesh_terms: D002648:Child; D005005:Ethmoid Sinus / Q000473:pathology; D005260:Female; D006801:Humans; D008579:Meningioma / Q000175:diagnosis / Q000473:pathology*; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis / Q000473:pathology*