title: Pituitary tumor initially seen as serous otitis media.
mesh_terms: D000236:Adenoma / Q000150:complications / Q000175:diagnosis*; D002558:Cerebrospinal Fluid Otorrhea / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D008297:Male; D008875:Middle Aged; D010033:Otitis Media / Q000175:diagnosis*; D010034:Otitis Media with Effusion / Q000175:diagnosis*; D010911:Pituitary Neoplasms / Q000150:complications / Q000175:diagnosis*; D011388:Prolactin / Q000097:blood
chemical_list: D011388:Prolactin