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A Case of Frontotemporal Dementia with Family History

The average age of frontotemporal dementia onset is much younger than that of the Alzheimer's disease. Behavioral disturbances occur at the early stage of frontotemporal dementia, and social dysfunction and personality deterioration may ensue. For this reason, it may be misdiagnosed as other psychiatric disorders. Therefore, more careful observation and concern is required for proper diagnosis. This report is about the case of a patient who had been misdiagnosed of disorders like schizotypal personality disorder, schizophrenia, obsessive compulsive disorder etc., and therefore have been treated for those. We reviewed this case based on the data of neuropsychiatric history, family history, neuropsychological test, brain MRI, and SPECT, and considered this case as frontotemporal dementia with family history. This is the first frontotemporal dementia case with family history in Korea, so hereafter we may discover the gene locus associated with this case. This study can be very useful for the following frontotemporal dementia studies in Korea.