Patients presenting with parkinsonism symptoms such as severe bradykinesia and significant hypophonia, along with an atypical clinical course, should be evaluated for secondary parkinsonism syndromes and other causes of parkinsonism. One of these causes is known as Fahr's disease, which is often overlooked by neurologists and other physicians.
Keywords: Fahr's disease; case report; early‐onset Parkinson's disease; genetic testing; neuropsychiatric symptoms.
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