Vascular Compression of Medulla Oblongata by Non-Dolichoectatic Vertebral Artery

IF 0.3 Q4 SURGERY Indian Journal of Neurosurgery Pub Date : 2023-06-01 DOI:10.1055/s-0043-1769899
V. Nitheesha Reddy, K. Nagarajan, V. Midhusha Reddy, A. Ramesh
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Abstract

Abstract Neurovascular conflicts are common in the posterior fossa and basal cisterns due to coexistence of important neural and vascular structures. Neurovascular conflict arising from compression of the cranial nerves by pulsatile flow in the adjacent atherosclerotic arteries is well known and is associated with conditions like trigeminal neuralgia, hemifacial spasm, and glossopharyngeal neuralgia. The medulla is known to be affected by dilated tortuous (dolichoectatic) vertebrobasilar arteries in the elderly or hypertensive. The vertebral artery causing the compression can be dolichoectatic or normal dominant vertebral artery or an elongated tortuous artery. Very few cases of medullary compression by non-dolichoectatic elongated tortuous or dominant vertebral artery were reported in the literature. In this article, we report three cases of medullary compression by the dominant and angulated vertebral artery. Magnetic resonance (MR) imaging with MR angiography showed indentation of the anterolateral aspect of the inferior medulla by the vertebral artery. The patients are managed conservatively and on regular follow-up.
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非膨大性椎动脉对延髓的血管压迫
由于重要的神经和血管结构共存,神经血管冲突在后窝和基底池中很常见。神经血管冲突是由相邻动脉粥样硬化动脉的搏动血流压迫脑神经引起的,并与三叉神经痛、面肌痉挛和舌咽神经痛等疾病有关。已知髓质受老年人或高血压患者椎基底动脉扩张弯曲(过度扩张)的影响。造成压迫的椎动脉可以是过度扩张或正常的优势椎动脉,也可以是延长的弯曲动脉。文献中很少报道非膨大性椎动脉延长、扭曲或显性椎动脉压迫髓质。在这篇文章中,我们报告了三例主要椎动脉和成角椎动脉压迫髓质。磁共振血管造影显示下髓质前外侧被椎动脉压痕。患者接受保守治疗并定期随访。
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来源期刊
CiteScore
0.40
自引率
0.00%
发文量
52
审稿时长
12 weeks
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