204. A case report of reversible leukoencephalopathy associated with cerebral amyloid angiopathy

We report the case of a 68 year old female with cerebral amyloid angiopathy (CAA) presenting as a leukoencephalopathy. She presented following a witnessed complex partial seizure whilst having home peritoneal dialysis. Following this she developed marked expressive dysphasia. CT head showed bilateral hypodensities, in the left temporo- occipital white matter, right temporal lobe, and both frontal lobes. She was commenced on steroids and referred for brain biopsy as there was concern that the CT changes represented metastatic malignancy.