The Chiari I malformation is a congenital abnormality characterised by downward displacement of the cerebellar tonsils through the foramen magnum into the cervical spine. It presents clinically most ...

Some are inherited genetically, though most vascular anomalies occur sporadically. Vascular anomalies are classified as either a malformation or tumor. We treat individuals of any age, from newborns ...

ed.ac.uk Objective: To conduct a population based study of brain arteriovenous malformation (AVM) prevalence. Methods: Multiple, overlapping sources of case ascertainment were used to establish the ...