Preservation of Dopamine Transporters in a Patient With Micrographia Due to Cerebral Infarction: A Case Report

摘要: Dear Editor, Micrographia is a neurological syndrome that causes a subject’s handwritten letters to become abnormally small as a result of smaller-than-normal letter strokes. 1 The leading causes of micrographia are Parkinson’s disease (PD), progressive supranuclear palsy, Huntington’s disease, and corticobasal degeneration; other Parkinson’s syndromes are not implicated. 1 Micrographia can also be caused by cerebral infarction and intracerebral hemorrhage, albeit rarely; the lesions are mainly located in the left hemisphere, including the basal ganglia, and the left hemisphere plays a dominant role in language processing. 1 There are two types of micrographia. The first type is characterized by a gradual decrease in letter size as writing progresses, and the second type is characterized by an abnormally small letter size from the beginning. Regarding the type of micrographia that is characterized by a gradual …