Perivascular calcifications within the brain form in response to a variety of insults. While considered by many to be benign, these calcium phosphate deposits or “brain stones”can become large and are associated wit...
Background: Segawa syndrome due to GTP cyclohydrolase deficiency is an autosomal dominant disorder with variable expression, that is clinically characterised by L-dopa responsive, diurnally fluctuating dystonia and pa...