title: A surprising cause of sinusitis.
authors: Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
authors: Katharina M
authors: KM
authors: Busl
authors: Roy N
authors: RN
authors: Alcalay
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000473:pathology*; D018270:Carcinoma, Ductal, Breast / Q000556:secondary*; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D010255:Paranasal Sinus Neoplasms / Q000556:secondary*; D012852:Sinusitis / Q000209:etiology*; D014057:Tomography, X-Ray Computed