title: Ewing's sarcoma metastatic to the sphenoid sinus.
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007085:Ilium / Q000473:pathology; D009362:Neoplasm Metastasis; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*; D012512:Sarcoma, Ewing / Q000175:diagnosis*; D013101:Sphenoid Sinus