title: Malignant change in sphenoid sinus fibrous dysplasia.
mesh_terms: D005260:Female; D005357:Fibrous Dysplasia of Bone / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis / Q000209:etiology*; D011230:Precancerous Conditions; D012509:Sarcoma / Q000175:diagnosis / Q000209:etiology*; D013101:Sphenoid Sinus