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Case Report
Dementia and Neurocognitive Disorders 2016: 15: 4: 170-173

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Neurosyphilis Mimicking Creutzfeldt-Jakob Disease
Jae-Won Jang,1 Jeong Hoon Park,1 Yong Jun Eo,1 Seong Heon Kim,1 Kyung Ho Choi,2 SangHak Yi,2 Young Ho Park,2 SangYun Kim2
1Department of Neurology, Kangwon National University Hospital, Chuncheon, Korea 2Department of Neurology, Seoul National University College of Medicine, Clinical Neuroscience Center, Seoul National University Bundang Hospital, Seongnam, Korea
Neurosyphilis Mimicking Creutzfeldt-Jakob Disease
Jae-Won Jang,1 Jeong Hoon Park,1 Yong Jun Eo,1 Seong Heon Kim,1 Kyung Ho Choi,2 SangHak Yi,2 Young Ho Park,2 SangYun Kim2
1Department of Neurology, Kangwon National University Hospital, Chuncheon, Korea 2Department of Neurology, Seoul National University College of Medicine, Clinical Neuroscience Center, Seoul National University Bundang Hospital, Seongnam, Korea
Background As rapidly progressive dementia (RPD), general paresis and Creutzfeldt-Jakob disease (CJD) may have overlapping clinical presentation due to a wide variety of clinical manifestations.
Case Report A 57-year-old man presented with rapid progressive cognitive decline, behavioral change, ataxic gait, tremor and pyramidal signs for 3 months. In addition to these multiple systemic involvements, positive result for the cerebrospinal fluid (CSF) 14-3-3 protein tentatively diagnosed him as probable CJD. However, due to increased serum rapid plasma reagin, venereal disease research laboratory, and fluorescent treponemal antibody-absorption reactivity in CSF, the final diagnosis was changed to general paresis.
Conclusions A patient with RPD needs to be carefully considered for differential diagnosis, among a long list of diseases. It is important to rule out CJD, which is the most frequent in RPD and is a fatal disease with no cure. Diagnostic criteria or marker of CJD, such as 14-3-3 protein, may be inconclusive, and a typical pattern in diffusion-weighted imaging is important to rule out other reversible diseases.
Key Words: neurosyphilis, general paresis, rapidly progressive dementia, Creutzfeldt-Jakob disease.
대한치매학회지 (Dementia and Neurocognitive Disorders)