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ORPHA:575553Disease
Also called Cathepsin A-related arteriopathy-strokes-leukoencephalopathy
What it is
A rare genetic cerebral small vessel disease characterized by an 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, sicca syndrome, 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.
Key facts
- Age of onset
- Adult
- Inheritance
- Autosomal dominant
- Classified as
- Disease
Gene
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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