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Arterial Head Vascularization Cartographies of Normal Metencephalic Dogs Using Magnetic Resonance Angiography
Author(s) -
Jacqmot Olivier D.,
Snaps Frederic R.,
Maquet Nathalie M.,
Heinen Marie Pierre A.,
Gabriel Annick E.
Publication year - 2011
Publication title -
the anatomical record: advances in integrative anatomy and evolutionary biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.678
H-Index - 62
eISSN - 1932-8494
pISSN - 1932-8486
DOI - 10.1002/ar.21479
Subject(s) - magnetic resonance angiography , magnetic resonance imaging , medicine , cerebral arteries , radiology , angiography , nuclear medicine , anatomy
The aim of our study was to establish head arterial cartographies—useful for the diagnosis of brain diseases leading to cerebral vascular modifications—by means of magnetic resonance angiography (MRA). Casts of the arterial vascular brain system were used to corroborate the MRA results as they can be easily rotated in nonvirtual three‐dimensions and give an accurate view of the arteries calibre and origin. Two types of 3T MRA images were used: three‐dimensional fast low‐angle shot (3D‐FLASH) acquisition sequenced every 20 s, paired with injection of a paramagnetic contrast medium, and three‐dimensional time‐of‐flight (3D‐TOF) acquisition sequenced every 300 s. 3D‐FLASH acquisition gives very accurate images of the cerebral arteries and veins, but must be used with care in debilitated animals. 3D‐TOF acquisition is less accurate and gives only images of the main cerebral arteries without showing the venous system. It is, however, a viable diagnostic method for monitoring vascular lesions (e.g., cerebral hemorrhages). Anat Rec, 2011. © 2011 Wiley‐Liss, Inc.