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Background <p>When treating parafalx lesions, the bridging veins or the frontal sinuses can sometimes obstruct access. Preserving these structures to avoid surgical complications is preferred.</p> Methods <p>We described the concept of the selective interhemispheric oblique approach (SIOA), which combines exoscopic and endoscopic visualization with gravity-assisted brain retraction to ensure safe access to the parafalx lesions.</p> Conclusions <p>The SIOA is a precise and versatile technique for treating parafalx lesions, particularly in anatomically complex areas. With this approach, it’s possible to mitigate risk of venous injury or sinus opening, avoid the retraction of eloquent areas, and obtain excellent surgical outcomes.</p>

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Combined exoscopic and endoscopic oblique approach to parafalx lesions while preserving normal structures via the interhemispheric fissure: How I do it

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月23日

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  • Toshiaki Inomo,
  • Eiji Ito,
  • Mao Yokota,
  • Tadashi Watanabe

摘要

Background

When treating parafalx lesions, the bridging veins or the frontal sinuses can sometimes obstruct access. Preserving these structures to avoid surgical complications is preferred.

Methods

We described the concept of the selective interhemispheric oblique approach (SIOA), which combines exoscopic and endoscopic visualization with gravity-assisted brain retraction to ensure safe access to the parafalx lesions.

Conclusions

The SIOA is a precise and versatile technique for treating parafalx lesions, particularly in anatomically complex areas. With this approach, it’s possible to mitigate risk of venous injury or sinus opening, avoid the retraction of eloquent areas, and obtain excellent surgical outcomes.