Cerebral MR venography.
This paper illustrates the technique and clinical use of cerebral MR venography (MRV). Dural sinus thrombosis is detected by both two-dimensional time-of-flight (TOF) and three-dimensional phase-contrast (PC) techniques. Venous angiomas are demonstrated by the three-dimensional PC method. The arterial feeders, nidus and draining veins of cerebral arteriovenous malformation (AVM) can be visualized on contrast-enhanced TOF three-dimensional MR angiogram. The high-flow draining veins of cerebral and dural AVMs, vein of Galen malformation and carotid cavernous fistula are better seen on contrast-enhanced three-dimensional gradient-echo MRV.
Pui
Margaret H
MH
Department of Radiology, Aga Khan University Hospital, PO Box 3500, Karachi, Pakistan. puim@mcmaster.ca
D020216:Carotid-Cavernous Sinus Fistula / Q000175:diagnosis; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D003287:Contrast Media; D005260:Female; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000175:diagnosis; D018810:Magnetic Resonance Angiography; D008297:Male; D012851:Sinus Thrombosis, Intracranial / Q000175:diagnosis
D003287:Contrast Media