title: Pathologic quiz case 2. Fibromyxoma of the ethmoidal sinus with secondary sphenoidal sinus mucocele.
authors.forename: M D
authors.initials: MD
authors.lastname: Alleva
authors.forename: J L
authors.initials: JL
authors.lastname: Werber
authors.forename: C P
authors.initials: CP
authors.lastname: Kimmelman
mesh_terms: D002648:Child; D005005:Ethmoid Sinus / Q000473:pathology*; D005350:Fibroma / Q000150:complications / Q000473:pathology*; D006801:Humans; D008297:Male; D009078:Mucocele / Q000209:etiology*; D010254:Paranasal Sinus Diseases / Q000209:etiology; D010255:Paranasal Sinus Neoplasms / Q000150:complications / Q000473:pathology*; D013101:Sphenoid Sinus / Q000473:pathology*