Progressive Intracranial Vertebral Artery Dissection Presenting with Isolated Trigeminal Neuralgia-Like Facial Pain

Figure 1

(a) Time-of-flight magnetic resonance angiography (MRA) of the left vertebral artery on admission reveals irregular narrowing of the lumen and a surrounding high-intensity area suggestive of a false lumen or intramural hematoma. (b) The T1-weighted image of MRI demonstrates a high-intensity area in the vessel wall, indicating intramural hematoma. (c) The source image of the MRA demonstrates a linear low-intensity structure presumed to be the intimal flap that separates 2 high-intensity areas.

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