Plasmocytoma masquerading as a pituitary tumour.
D001932:Brain Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D010911:Pituitary Neoplasms / Q000175:diagnosis*; D010954:Plasmacytoma / Q000175:diagnosis*