在脑活检中基于voxel的出血风险评估
Mykola Gorbachuk1, Aldo Spolaore1, Eliane Weinbrenner1
1Department of Neurosurgery and Neurotechnology, Eberhard Karls University, Tuebingen, Germany.
Neurosurgical review
|January 29, 2026
概括
大脑活检带有出血的风险,但严重的结果是罕见的. 针对深层大脑病变,特别是基底,增加了出血风险和潜在的神经缺陷.
科学领域:
- 神经外科 神经外科
- 放射学 放射学是一门学科.
- 神经学 神经学
背景情况:
- 立体脑活检 (BB) 的目标是精确,但会带来与活检相关的出血 (BBH) 的风险.
- 了解BBH风险因素和空间分布对于提高患者安全至关重要.
研究的目的:
- 在立体脑活检 (BB) 中识别活检相关出血 (BBH) 的预测因子.
- 使用基于voxel的病变症状映射 (VLSM) 分析BBH的空间分布.
- 为了将BBH位置与功能结果和神经系统恶化相关联.
主要方法:
- 450个基于框架和机器人辅助的大脑活检 (BB) 的分析.
- 在手术前的MR和手术后的CT成像的注册和规范化到MNI空间.
- BBH的体积分析,用于预测器识别的后勤回归,以及用于空间分析的VLSM.
主要成果:
- 出血发生在BB的18% (80/450例),有症状的BBH发生在4% (19/450).
- 高度质瘤,患者年龄和目标位置 (基底,胰岛,内囊) 是重要的BBH预测因素.
- VLSM确定了额头轨迹和深层的基底关节病变作为BBH和神经恶化的高风险区域.
结论:
- 在脑部活检后,无症状出血很常见,但显著的神经系统恶化很少见.
- BBH风险是多因素的,受损伤特征,患者因素和轨迹规划的影响.
- 准基底质病变增加了症状出血和潜在的神经缺陷的风险.
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