经管周血管空间模仿占空间的大脑损伤:一个简短的案例系列
Roberts Tumelkans1, Cenk Eraslan2, Arturs Balodis3,4
1Faculty of Medicine, Riga Stradins University, LV-1007 Riga, Latvia.
Diagnostics (Basel, Switzerland)
|June 26, 2025
概括
大脑中新发现的第四种周脉空间 (PVS) 可能被误认为是瘤. 识别其独特的成像特征对于准确诊断和避免不必要的干预至关重要.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 神经成像是一种神经成像.
背景情况:
- 周血管空间 (PVS) 是充满液体的大脑结构,通常小 (<2毫米).
- 扩大的PVS (>15毫米) 可以模仿质量损伤.
- 最近描述的第四种类型的PVS与中脑动脉段M2/M3有关.
研究的目的:
- 描述一个新发现的第四种周脉空间的成像特征.
- 突出其作为囊性瘤误诊的潜力.
- 强调准确识别和分类的重要性.
主要方法:
- 两名患有罕见PVS变异的成年男性患者的案例研究.
- 大脑磁共振成像 (MRI) 分析.
- 关于PVSs的放射学文献的审查.
主要成果:
- 两位患者在前叶白质中呈现出囊性病变,模仿囊性瘤.
- 病变显示出周围焦点或结症,并在随访MRI时保持稳定.
- 新发现的PVS变体与中脑动脉的M2/M3段有关.
结论:
- 第四种类型的PVS由于其大小和相关的胀,可以被误认为是低度的囊性瘤.
- 精确的放射学识别对于防止误诊和不必要的干预至关重要.
- 需要对高质量的成像示例进行进一步的研究来进行分类.
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