The traditional classification, diagnosis, and treatment of intracranial aneurysms are based on the characteristics of their vascular lumen. However, in the past few years, some advances in MRI technology with high-resolution imaging can assess the pathology of intracranial vascular walls. Compared with traditional methods of computed tomography angiography, magnetic resonance angiograhpy, and digital subtraction angiography, high resolution magnetic resonance imaging technology can help us to newly understand the disease by directly evaluating the characteristics of vascular wall, such as aneurysm wall thickness, inflammation, enhancement, permeability and hemodynamics. At present, high-resolution magnetic resonance imaging is increasingly used in clinic to assess the rupture risk of intracranial aneurysms, which is of great significance for guiding the diagnosis and treatment of intracranial aneurysms.
颅内动脉瘤的传统分类、诊断和治疗是根据其血管腔的特点进行的。近年来，MRI技术的进步带来了高分辨率成像，其能够评估颅内血管壁的病理学特征。相较于传统计算机断层扫描血管成像、MRI血管造影、数字减影血管造影等检查方式，高分辨率MRI技术能直接评估血管壁的特点，如瘤壁厚度、炎症、强化、渗透率及血流动力学等，对疾病的认识更加准确。目前，临床上越来越多应用高分辨率MRI评估颅内动脉瘤的破裂风险，这对于指导颅内动脉瘤的诊治具有重要意义。.
Keywords: high resolution magnetic resonance imaging; intracranial aneurysm; risk assessment; rupture.