Nō to shinkei = Brain and nerve
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We report a 63-year-old woman who presented myotonia and parkinsonism. The patient was well until 15 years of the age when she noted that the ring finger of her left hand at times flexed when she did not intend to do so. She noted weakness in her left upper extremity at the age of 40, and difficulty in relaxing her hand grip at 45. ⋯ In myelin stain, diffuse myelin pallor was noted in the cerebral white matter which was the pathologic substrate of leukoaraiosis in this patient. Combination of these two disorders have never been reported in the literature to our knowledge. It appears to be that the coincidence is just a by-chance phenomenon, but it seems interesting to note that accelerated aging process appears to be present in both myotonic dystrophy and Parkinson's disease.