
Vascular Compression in Trigeminal Neuralgia Shown by Magnetic Resonance Imaging and Magnetic Resonance Angiography Image Registration
Arch Neurol. 2001;58:1290-1291.
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REPORT OF A CASE
A 79-year-old man presented with 7 years of brief episodes of lancinating left facial pain in the distribution of the first division of cranial nerve V. Despite taking carbamazepine, he continued feeling pain. Magnetic resonance imaging (MRI) (1.5 T) using spin-echo 6-mm axial noncontrast T1-weighted images and 2-mm axial 3-dimensional time-of-flight magnetic resonance angiography (MRA) were registered using consistent anatomic landmarks. The registered pseudocolor composite MRI/MRA axial image showed the left superior cerebellar artery coursing in close proximity across the root entry zone of cranial nerve V (Figure 1). The patient refused further intervention.
Figure appears in full text version.
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A registered pseudocolor composite magnetic resonance image/magnetic resonance angiogram (MRA) axial image at the level of entry of cranial nerve V into the brainstem. An artery (red) (large arrows) is seen coursing in close proximity across the root entry zone of cranial nerve V on the left. The vessel is most likely the left . . . [Full Text of this Article]
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