title: Clinical quiz. Intrasellar mass lesion--a difficult diagnosis.
mesh_terms: D000236:Adenoma / Q000175:diagnosis; D000328:Adult; D001927:Brain Diseases / Q000175:diagnosis* / Q000382:microbiology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D010911:Pituitary Neoplasms / Q000175:diagnosis; D012658:Sella Turcica / Q000382:microbiology / Q000473:pathology