Mucocele of the sphenoid sinus. A benign imitator.
D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D009078:Mucocele / Q000000981:diagnostic imaging*; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis; D011859:Radiography; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging*