| A rare genetic cerebral small vessel disease with characteristics of adult-onset primary microangiopathy with severe atherosclerosis of arterioles and secondary leukoencephalopathy. Patients may present with migraine, transient ischemic attacks, stroke with central facial palsy, cognitive dysfunction with impaired concentration, dementia, depression, movement disorder, vertigo, dysphagia, dysarthria, impaired REM sleep, and therapy-resistant hypertension, among others. Brain MRI typically shows a leukoencephalopathy that is disproportionately severe and extensive compared to the clinical disease. |
