Purpose: Intracranial vertebrobasilar artery dissection (iVBD) is a potentially lethal disease, and progression of the dissected vessels is not uncommon. Our report is aimed at providing further clinical experience of the timing of follow-up vascular imaging or endovascular intervention in iVBD patients.
Case Report: We report a case of iVBD with silent rapid progression. The 48-year-old woman presented as transient right limbs weakness. Brain MRI showed a small acute infarct over the left cerebellum, and MRA revealed a short segment of dissection over the left distal vertebral artery extending to proximal basilar artery. With no new clinical symptoms and signs, follow-up of vascular imaging within 1 week showed progressive critical narrowing of the dissected vertebrobasilar arteries. The blood flow of the vertebrobasilar system was restored by endovascular stenting.
Conclusion: iVBD might progress without clinical manifestations. Early follow-up of vascular imaging should be considered in the patients with high risk for progression.
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