Figure 1
From: Difference in Cerebral Circulation Time between Subtypes of Moyamoya Disease and Moyamoya Syndrome
The schematic diagram of measurement of cerebral circulation time. The lateral view of internal carotid artery. CTCT: The time from appearance of the C4 segment of ICA to disappearance of the sigmoid sinus; CFCT: The time from appearance of the C4 segment of the ICA to maximum intensity of contrast; CVCT: The time from maximum intensity of contrast to disappearance of the sigmoid sinus.
