Imaging blood vessels of the head and neck.
نویسندگان
چکیده
منابع مشابه
Non-uniformity of Clinical Head, Head and Neck, and Body Coils in Magnetic Resonance Imaging (MRI)
Introduction Signal intensity uniformity in a magnetic resonance (MR) image indicates how well the MR imaging (MRI) system represents an object. One of the major sources of image non-uniformity in high-field MRI scanners is inhomogeneity of radio-frequency coil. The aim of this study was to investigate non-uniformity in head, head and neck, and body coils and compare the obtained results to det...
متن کاملimaging of vascular masses of the head and neck
the classification and imaging appearances of vascular masses of the head and neck are reviewed. the radiological appearances of congenital vascular masses (infantile haemangiomas and other congenital vascular tumours, high-flow and low-flow vascular malformations), acquired vascular masses (benign and malignant tumours, non-neoplastic lesions) and other hypervascular masses are described and i...
متن کاملHead and Neck Imaging
1 From the Department of Radiology, Massachusetts Eye and Earlnfirmary, 243 Charles St, Boston, MA 021 14 (H.D.C.); the Departments of Radiology (H.D.C., B.J.M.) and Health Care Policy (D.J.C., B.J.M.), Harvard Medical School, Boston, Mass; the Department of Mathematics and Statistics, University of Ottawa, Ontario, Canada (HI.); the Department of Radiology, Shands Hospital and Universityof Flo...
متن کاملHead and Neck Imaging
RESULTS: Twenty-eight of the 42 teeth were proved intraoperatively to be fractured. The sensitivity and specificity averaged for the two reviewers in the assessment of vertical fractures were 23% and 70%, respectively, with dental radiography and 100% and 100%, respectively, with CT. Consensus reading showed sensitivities of 25% for dental radiography and 75% for CT. Eight (reviewer A) or nine ...
متن کاملMagnetic resonance angiography of the head and neck vessels.
Stroke, a major cause of death and disability in the developed world, is usually caused by atherosclerosis, most commonly an arterioocclusive lesion at the carotid bifurcation. Numerous multicentre trials have demonstrated that carotid endarterectomy can reduce the risk of stroke in these patients. However, because of the morbidity of catheter angiography coupled with the risks of surgery, the ...
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ژورنال
عنوان ژورنال: Journal of Neurology, Neurosurgery & Psychiatry
سال: 1995
ISSN: 0022-3050
DOI: 10.1136/jnnp.59.3.225