COVID-19 相关的嗅觉丧失与 MRI 显示的嗅球损伤有关。
Anosmia in COVID-19 Associated with Injury to the Olfactory Bulbs Evident on MRI.
机构信息
From the Universidade Federal de Pernambuco (M.F.V.V.A., M.C.L., M.M.V.), Recife, Brazil
Centro Diagnostico Multimagem (M.F.V.V.A.), Recife, Brazil.
出版信息
AJNR Am J Neuroradiol. 2020 Sep;41(9):1703-1706. doi: 10.3174/ajnr.A6675. Epub 2020 Jun 25.
Abstract
Patients with coronavirus disease 2019 (COVID-19) may have symptoms of anosmia or partial loss of the sense of smell, often accompanied by changes in taste. We report 5 cases (3 with anosmia) of adult patients with COVID-19 in whom injury to the olfactory bulbs was interpreted as microbleeding or abnormal enhancement on MR imaging. The patients had persistent headache ( = 4) or motor deficits ( = 1). This olfactory bulb injury may be the mechanism by which the Severe Acute Respiratory Syndrome coronavirus 2 causes olfactory dysfunction.
摘要
新型冠状病毒病 2019（COVID-19）患者可能有嗅觉丧失或部分嗅觉丧失的症状，常伴有味觉改变。我们报告了 5 例（3 例有嗅觉丧失）COVID-19 成年患者，其嗅球损伤被解释为磁共振成像上的微出血或异常增强。患者持续头痛（=4）或运动功能障碍（=1）。这种嗅球损伤可能是严重急性呼吸综合征冠状病毒 2 导致嗅觉功能障碍的机制。
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