Expected headings
"CT angiography"
"However, once calcium is suspected (especially if found incidentally), it is important to differentiate it from mimics such as haemorrhage, vessel wall calcification, infection (e.g. neurocysticercosis), cavernomas, or other causes of vascular intracranial calcification 1-3."
"infections (e.g. neurocysticercosis, cerebral sparganosis, etc.)"