P.008 Triphasic waves in powassan encephalitis: a case report

Powassan encephalitis: a case report with neuropathology and literature review.

Powassan Virus Encephalitis, Minnesota, USA

Powassan virus (POWV) is a rare tick-borne agent of encephalitis in North America. Historically, confirmed cases occurred mainly in the northeastern United States. Since 2008, confirmed cases in Minnesota and Wisconsin have increased. We report a fatal case of POWV encephalitis in Minnesota. POWV infection should be suspected in tick-exposed patients with viral encephalitis.

Powassan Virus Encephalitis, Minnesota, USA

To the Editor: Birge and Sonnesyn report the first death of a Minnesota resident caused by Powassan virus (POWV) (1). However, they provide an inaccurate description of several critical diagnostic and surveillance issues concerning POWV. The 17 POWV infections detected in Minnesota residents from 2008 through 2011 (6 cases were identified through 2010, not 8 as reported by Birge and Sonnesyn) (...

Herpetic encephalitis based on clinical judgment in pregnancy: case report

Background: Herpes simplex virus (HSV) encephalitis is the most common cause of sporadic encephalitis, with significant morbidity and mortality that are effectively reduced by antiviral treatment. Herpes simplex infection in pregnant women rarely results in encephalitis. The most common symptoms of a pregnant woman with herpes simplex infection are colds and skin vesicles. Herpetic encephalitis...

Rasmussen's encephalitis: A case report.

Rasmussen's encephalitis (RE) is a rare neurological disorder of inflammatory aetiology characterised by encephalitis, intractable seizures, hemiparesis, variable motor deficits, and dementia. It is not commonly considered in the clinical differential diagnosis of a patient with a past history of a stroke-like episode presenting with status epilepticus. It is suspected mainly in children in who...