Department of Neurosurgery, Helsinki University Hospital & University of Helsinki, Helsinki, Finland; Töölö Hospital, Topeliuksenkatu 5, Helsinki 00260, Finland.
Department of Neurosurgery, Helsinki University Hospital & University of Helsinki, Helsinki, Finland; Töölö Hospital, Topeliuksenkatu 5, Helsinki 00260, Finland.
Neurosurg Clin N Am. 2022 Oct;33(4):419-429. doi: 10.1016/j.nec.2022.06.003. Epub 2022 Sep 11.
Intracranial dolichoectasia mainly affects the posterior circulation in aging populations. It may develop into an aneurysmatic formation without a clear neck to be closed from circulation. These vertebrobasilar dolichoectatic artery aneurysms may lead to thromboembolic complications and mass effects on the brainstem and surrounding cranial nerves. Treatment is highly risky, especially in older patients with large or giant aneurysmatic formations. Vascular plasticity and collateral formation might stabilize aneurysmatic formation. The etiology and natural history behind this anomaly are unknown as are the best treatment options in different stages of the disease.
颅内长段梭形扩张主要影响老年人群的后循环。它可能发展成一个没有明确颈部的动脉瘤样结构，无法从循环中封闭。这些椎基底动脉梭形扩张性动脉瘤可能导致血栓栓塞并发症和对脑干及周围颅神经的占位效应。治疗风险很高，尤其是在有大或巨大动脉瘤样结构的老年患者中。血管可塑性和侧支形成可能使动脉瘤样结构稳定。这种异常背后的病因和自然史尚不清楚，不同疾病阶段的最佳治疗选择也不清楚。
