歩行障害，すくみ足，垂直性眼球運動障害を呈し，食道癌を合併した61歳男性

A 61-year-old Man with Progressive Gait Disturbance, Freezing, and Vertical Gaze Paresis Who Developed Esophagus Cancer

症例呈示

　症例：T．K．，61歳，男性　家族歴・既往歴：特記事項なし。

We report a 61-year-old Japanese man who died of complications of esophagus cancer surgery. He was well until his 55 years of the age, when he had an onset of speech disturbance and hand writing. He was seen by a neurologist who prescribed Menesit 600mg/day. His symptoms improved with this medication. In 1993, three years after the onset, he started to show gait disturbance and easy to fall. In 1995, he noted difficulty in eye opening. He visited our clinic on October 26, 1996.

On examination, he showed vertical gaze paresis,masked face, nuchal rigidity, small step gait, freez-ing phenomena, and festination.