An investigation into the causes of failure of certain supratentorial meningiomata to show tumour vessels on angiography.
D000792:Angiography; D001921:Brain; D001932:Brain Neoplasms; D006801:Humans; D008577:Meningeal Neoplasms; D008579:Meningioma / Q000175:diagnosis*
ANGIOGRAPHY; BRAIN/neoplasms; MENINGIOMA/diagnosis