… normal ranges for PC-MRI-measured flow and velocity parameters in the main intracranial
arteries … Zhao et al. evaluated flow in intracranial and extracranial arteries in 83 healthy adults; …

… technique and normal values of flow velocity from intracranial basal cerebral arteries for a
recently … as is the range of normal for these values (Figure 4) . In contrast, standard deviations …

… = the diameter of the proximal normal artery. If the proximal … D normal : distal artery (second
choice), feeding artery (third … stenosis and D normal of 24 stenotic intracranial arteries. Each …

… artery under study expressed as a percent of the pulsatility index of another intracranial artery
… Flow velocities in basal cerebral arteries have a wide normal range. ~ The present series …

… Flow velocities in intracranial arteries show a wide normal range which probablyparallels
individual vessel calibre variation. 15- 17 20 The diameter of the carotid siphonnormally …

… ing the range of the mean ± 3 SD, a normal reference range was … for the assessment of
intracranial arterial flow velocity. … Examination technique and normal values. Surg Neuml 1987;27:…

… artery (MCA) can be examined from the intracranial carotid … range from 4.5 to 6.0 cm of
depth. In addition, the individual subjects showed fairly constant high frequencies over this range …

Object Noninvasive neuroimaging techniques are increasingly identifying unruptured
intracranial arterial dissections (IADs) at examination for headache or ischemic symptoms. …

… of the human intracranial arterial development based on … The angiographic incidence of
fenestrations ranges from 0.03… angiographic frequencies of intracranial arterial fenestration can …

… normal blood pressure in these arteries. Linear relations were absented between these two
ratios in the physiological pressure range … extracranial arteries are all within a narrow range …