摘要
BACKGROUND Although coronavirus disease 2019(COVID-19)vaccines have been effective in controlling the COVID-19 pandemic,a variety of post-vaccination neurological complications have been reported worldwide.Amyloidβ-related angiitis(ABRA)is a rare neurological disease.The underlying cause of ABRA is unknown,but several studies suggest that it is caused by an excessive immune response to amyloid-βdeposited in blood vessels.In addition,limited attention has been paid to potential triggers of ABRA,such as infection or vaccination.CASE SUMMARY We report a case of ABRA that developed 2 wk after COVID-19 vaccination.A 75-year-old woman developed a frontal headache after receiving a second dose of COVID-19 BNT162b2 vaccine(Pfizer-BioNTech).Diffusion-weighted magnetic resonance imaging(DW-MRI)of the head showed abnormal hyperintensity,suggesting cerebral infarctions in the left parietal and occipital lobes.We diagnosed her condition as ABRA based on a brain biopsy.We administered steroid pulse therapy and the patient’s symptoms and DW-MRI abnormalities improved.This case had a good outcome due to prompt diagnosis and treatment.CONCLUSION We report a case of ABRA that may have been triggered by COVID-19 vaccination.
