Magnetic resonance tomographic angiography in the investigation of hemifacial spasm

Magnetic resonance angiography (MRA), combined with submillimeter magnetic resonance tomographic angiographic sections (MRTA) showed vascular compression of the 7th cranial nerve or its root exit zone (REZ) in the brain stem in 24 of 37 patients (64.86%) with hemifacial spasm. MRA alone was positive...

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Bibliographic Details
Published in:Neuroradiology 1993-10, Vol.35 (8), p.606-611
Main Authors: BERNARDI, B, ZIMMERMAN, R. A, SAVINO, P. J, ADLER, C
Format: Article
Language:English
Subjects:
Biological and medical sciences
Facial Muscles - innervation
Facial Nerve Diseases - diagnosis
Facial Nerve Diseases - etiology
Female
Humans
Magnetic Resonance Imaging - methods
Male
Medical sciences
Middle Aged
Nerve Compression Syndromes - complications
Nerve Compression Syndromes - diagnosis
Neurology
Spasm - diagnosis
Spasm - etiology
Vascular diseases and vascular malformations of the nervous system
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Summary:Magnetic resonance angiography (MRA), combined with submillimeter magnetic resonance tomographic angiographic sections (MRTA) showed vascular compression of the 7th cranial nerve or its root exit zone (REZ) in the brain stem in 24 of 37 patients (64.86%) with hemifacial spasm. MRA alone was positive for REZ compression in only 19 (51.4%) cases, while conventional MRI was even less revealing, only 10 (27%) cases being positive.
ISSN:0028-3940
1432-1920
DOI:10.1007/bf00588406