title: Zygomatic arch simulating a fluid level in the sphenoid sinus.
authors: Department of Radiology, Royal Free Hospital, London.
authors: W E
authors: WE
authors: Svensson
mesh_terms: D000328:Adult; D001826:Body Fluids; D005260:Female; D006801:Humans; D011859:Radiography; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging*; D015050:Zygoma / Q000000981:diagnostic imaging*