Powassan virus (POWV) encephalitis is an arbovirus infection and the only tick-borne encephalitis serogroup which is present in mainland North America. The magnetic resonance (MR) imaging described with POWV encephalitis is varied, nonspecific, and limited in number, and as such, imaging patterns and outcomes with this arbovirus infection are not well appreciated.

中文翻译：

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波瓦桑病毒脑炎的 MR 成像模式和预后。

波瓦桑病毒（POWV）脑炎是一种虫媒病毒感染，也是北美大陆存在的唯一蜱传脑炎血清群。POWV 脑炎的磁共振 (MR) 成像多种多样、非特异性且数量有限，因此，这种虫媒病毒感染的成像模式和结果尚未得到充分认识。