A case of cerebral amyloid angiopathy with reversible white matter lesions and multiple cerebral microbleeds

Rinshō shinkeigaku = Clinical neurology
Yasushi HosoiYoshiro Otsuki

Abstract

A 59-year-old woman presented with a 7-year history of headache. She showed no neurological abnormality. T(2) weighted magnetic resonance (MR) images showed a hyperintense signal in the white matter in the bilateral parieto-occipital lobe without abnormal enhancement. A small amount of prednisolone was administered for rheumatoid arthritis. After prednisolone was discontinued, the T(2) weighted images showed an expansion of the hyperintense signal lesions seen in the white matter, and T(2) weighted image showed multiple foci of petechial bleeding in the cortex and subcortex of the bilateral occipital lobe. A brain biopsy specimen from the right occipital lobe revealed deposition of amyloid in the subarachnoidal and cortical vessel walls and transmural infiltration of a few lymphocytes, eosinophils, and giant histiocytes. Subsequently the patient was diagnosed with central nervous system vasculitis associated with cerebral amyloid angiopathy (CAA). After 5 months, the T(2) weighted images showed a remarkable regression of the hyperintense signal lesions in the white matter of the bilateral parieto-occipital lobe without the administration of any maintenance immunosuppressive agents. However, T(2) weighted image showed an increas...Continue Reading

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Citations

Jul 15, 2015·Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association·Ana Castro CaldasJosé Manuel Ferro

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