Magnetic Resonance Angiography of the Head and Neck: A Teaching File |
Contents
BASIC PRINCIPLES | 1 |
TECHNIQUES | 13 |
NORMAL ANATOMY VARIANTS and CONGENITAL ANOMALIES | 41 |
Copyright | |
7 other sections not shown
Common terms and phrases
25-cm field 64 slices AJNR angiogram angiography arteriovenous malformation artifact axial volume basilar artery brain carotid bifurcation carotid siphon cavernous clinical cm/sec common carotid conventional angiogram coronal decreased demonstrates dephasing disease distal internal carotid dural echo evaluation excitation radiofrequency pulse field of view flip angle flow saturation flow void flow-related enhancement gradient high signal intensity increased signal intensity individual slices infarct intensity projection views internal carotid artery intracranial aneurysms lateral maximum intensity left internal carotid lesions lumen magnetic resonance magnetization transfer background maximum intensity projection middle cerebral artery MRA data multiple oblique occlusion optimized nonsaturating excitation patients phase-contrast study posterior cerebral artery posterior communicating artery Radiology right internal carotid rotid saturation pulse segment sequence shows signal loss slab slow flow spin-echo images spins subarachnoid hemorrhage superior sagittal sinus thrombosis thrombus time-of-flight study time-of-flight techniques tion tissue transfer background suppression tumors two-dimensional phase-contrast two-dimensional time-of-flight vein velocity encoding vessels visualization voxel