進行性の歩行障害を呈した67歳男性

A 67-year-old Man with Progressive Disturbance of Gait

症例呈示

　症例　T．A．67歳男性，1931年（昭和6）2月生

　主訴　呼吸困難

We report a 67-year-old man with progressive dis-turbance of gait. He was well until the spring of 1993 (62 years of the age), when he noted an onset of un-steady gait. He also noted that he started to have a difficulty in playing tennis, in which he became unable to hit the ball with his racket. He also noted parkin-sonian features such as bradykinesia and loss of hand dexterity. He was treated with levodopa, which did not improve his symptoms. His MRI revealed marked at-rophy of the cerebellum and the pons. The criss-cross high signal lesion was seen in the center of the pons. The third ventricle was dilated.