Volume 23, Issue 5 pp. 871-877
Original Article

Unusual presentations in patients with E200K familial Creutzfeldt−Jakob disease

O. S. Cohen

Corresponding Author

O. S. Cohen

Department of Neurology, Chaim Sheba Medical Center, Tel-Hashomer, Israel

Department of Neurology, Assaf Harofeh Medical Center, Zerifin, Israel

Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel

Correspondence: O. Cohen, Department of Neurology, Chaim Sheba Medical Center, Tel Hashomer 52621, Israel (tel.: +972-3-5304932; fax: +972-3-5305323; e-mail: [email protected]).Search for more papers by this author
I. Kimiagar

I. Kimiagar

Department of Neurology, Assaf Harofeh Medical Center, Zerifin, Israel

Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel

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A. D. Korczyn

A. D. Korczyn

Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel

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Z. Nitsan

Z. Nitsan

Barzilai Medical Center, Ashkelon, Israel

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S. Appel

S. Appel

Barzilai Medical Center, Ashkelon, Israel

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C. Hoffmann

C. Hoffmann

Department of Radiology, Chaim Sheba Medical Center, Tel-Hashomer, Israel

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H. Rosenmann

H. Rosenmann

Department of Neurology, Hadassah Hebrew University Medical Center, Jerusalem, Israel

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E. Kahana

E. Kahana

Barzilai Medical Center, Ashkelon, Israel

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J. Chapman

J. Chapman

Department of Neurology, Chaim Sheba Medical Center, Tel-Hashomer, Israel

Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel

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First published: 25 January 2016
Citations: 14

Abstract

Background and propose

Familial Creutzfeldt−Jakob disease (fCJD) in Jews of Libyan ancestry is caused by an E200K mutation in the PRNP gene. The typical presenting symptoms include cognitive decline, behavioral changes and gait disturbances; however, some patients may have an unusual presentation such as a stroke-like presentation, alien hand syndrome or visual disturbances. The aim of this paper is to describe uncommon presentations in our series of consecutive patients with E200K fCJD.

Methods

The study group included consecutive fCJD patients followed up as part of a longitudinal prospective study ongoing since 2003 or hospitalized since 2005. The clinical diagnosis of probable CJD was based on accepted diagnostic criteria and supported by typical magnetic resonance imaging, electroencephalographic findings, elevated cerebrospinal fluid tau protein levels and by genetic testing for the E200K mutation. Disease symptoms and signs were retrieved from the medical files.

Results

The study population included 77 patients (42 men) with a mean age of disease onset of 60.6 ± 7.2 years. The most prevalent presenting symptoms were cognitive decline followed by gait impairment and behavioral changes. However, six patients had an unusual presentation including auditory agnosia, monoparesis, stroke-like presentation, facial nerve palsy, pseudobulbar syndrome and alien hand syndrome.

Conclusions

Our case series illustrates the wide phenotypic variability of the clinical presentation of patients with fCJD and widens the clinical spectrum of the disease. A high level of clinical suspicion may prove useful in obtaining early diagnosis and therefore avoiding costly and inefficient diagnostic and therapeutic strategies.

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