months later because of fever up to 39.2 ° C. On neurological examination, he was fully conscious but apathic and had little vigor. He also had impaired concreteness in thinking, slowed information processing and decreased verbal fluency. He had apparent dementia and scored 14/30 points on HDS-R (Hasegawa Dementia Rating Scale – Revised) showing disturbance in orientation, recent memory, and wo...
