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Current Alzheimer Research

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ISSN (Print): 1567-2050
ISSN (Online): 1875-5828

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Case Report

Primary Sjögren’s Syndrome Presenting with Rapidly Progressive Dementia: A Case Report

Author(s): Konstantinos Notas, Vasileios Papaliagkas*, Martha Spilioti, Ioannis Papagiannis, Petros Nemtsas, Athanasios Poulopoulos, Konstantinos Kouskouras, Ioannis Diakogiannis and Vasilios K. Kimiskidis

Volume 19, Issue 6, 2022

Published on: 18 July, 2022

Page: [479 - 484] Pages: 6

DOI: 10.2174/1567205019666220627094707

Price: $65

Abstract

Background: Rapidly progressive dementias (RPDs) are dementias that progress subacutely over a time period of weeks to months. Primary Sjögren’s syndrome (pSS) is an autoimmune disease that can affect any organ system and may present with a wide range of clinical features that may mimic a plethora of medical conditions and, in rare cases, may manifest as RPD. We describe a unique case of pSS, in which rapidly progressive dementia (RPD) was the first disease manifestation, and the patient’s radiological and electroencephalogram findings were compatible with Creutzfeldt- Jakob disease (CJD).

Case Presentation: Here, we report a 58-year-old woman who presented with cognitive impairment rapidly deteriorating over the last 6 months prior to admission. Brain MRI and EEG were indicative of CJD. However, CSF 14-3-3 and tau/phospho tau ratio were within normal limits and therefore alternative diagnoses were considered. Blood tests were significant for positive antinuclear antibodies, anti-ENA, and anti-SSA and a lip biopsy was consistent with pSS. The patient was started on intravenous steroids followed by oral prednisone taper, which prevented further deterioration.

Conclusion: This rare case expands the spectrum of neurological manifestations in pSS and highlights the importance of considering pSS in the differential diagnosis of RPDs in order to avoid misdiagnosis and provide appropriate treatment in a timely fashion.

Keywords: Sjögren’s syndrome, creutzfeldt jakob disease, neurocognitive disorders, dementia, case report, autoimmune diseases of the nervous system, electroencephalography source imaging.

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