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KMID : 1100220170160030083
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Dementia and Neurocognitive Disorders
2017 Volume.16 No. 3 p.83 ~ p.86
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A Case of Scrub Typhus Related Encephalopathy Presenting as Rapidly Progressive Dementia
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Park Jeong-Hoon
Jang Jae-Hoon
Lee Seung-Hwan
Oh Won-Sup
Kim Sam-Soo
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Abstract
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Background : An infection known to be a major cause of mild encephalitis/encephalopathy with a reversible splenial lesion (MERS). Rapidly progressive dementia is a neurological condition in which dementia progresses in a short period of time.
Case Report : We report on a 78-year-old woman presenting with a rapid decline in cognitive function resulting from a scrub typhus infection. Diffusion weighted images showed a signal intensity at the splenium, and subcortical white matter of both hemispheres suggesting MERS. On the neuropsychological test, the patient showed frontal executive dysfunction.
Conclusions : This case suggests that diagnosticians should consider the possibility that a MERS patient with a rapidly cognitive decline could have a scrub typhus infection because early diagnosis of scrub typhus is very important in this aspect of the treatment.
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KEYWORD
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splenial lesion, dementia, scrub typhus
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