Atypical and early symptoms of sporadic Creutzfeldt – Jakob disease: case series and review of the literature
- 29 April 2020
- journal article
- review article
- Published by Informa UK Limited in International Journal of Neuroscience
- Vol. 131 (9), 927-938
- https://doi.org/10.1080/00207454.2020.1759594
Abstract
Prion diseases are rapidly progressive fatal conditions caused by abnormally shaped proteins. Sporadic Creutzfeldt - Jakob disease (sCJD) is the most common human prion disorder accounting for 85–90% of cases. Clinical manifestations include rapidly evolving dementia in conjunction with neurological symptoms such as ataxia, myoclonus, pyramidal and extrapyramidal signs. However, the early symptoms of the disease are often non-specific and mental disorder is delayed, making the diagnostic process difficult and challenging. We present 3 cases with atypical early symptoms and late onset of cognitive decline. The first case presented with isolated visual symptoms (Heidenhain variant), the second patient had isolated anomic aphasia and the third one non-convulsive status epilepticus. A review of the past literature concerning the atypical and rare early clinical features of the sCJD was conducted. The following manifestations were found: psychiatric and visual symptoms, which are relatively common, epileptic seizures, otologic symptoms and presentation of sCJD as an acute vascular event. Moreover, language, communication and writing impairments, movement disorders, symptoms from the peripheral nervous system and bulbar signs were reported as well. Increased clinical suspicion, along with the aid of existing diagnostic methods and the development of novel techniques could contribute to a better understanding of the disease’s pathophysiology, early and accurate diagnosis and improvement of patient management.Keywords
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