The empty sella.
D001344:Autopsy; D002559:Cerebrospinal Fluid Rhinorrhea / Q000175:diagnosis; D003937:Diagnosis, Differential; D004700:Endocrine System Diseases / Q000175:diagnosis; D005260:Female; D006261:Headache / Q000209:etiology; D006801:Humans; D007427:Intracranial Pressure; D008297:Male; D008875:Middle Aged; D010900:Pituitary Diseases / Q000175:diagnosis; D010911:Pituitary Neoplasms / Q000175:diagnosis; D011011:Pneumoencephalography; D012658:Sella Turcica / Q000000981:diagnostic imaging / Q000473:pathology*; D012737:Sex Factors; D013577:Syndrome