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Background <p>The occipital interhemispheric transtentorial approach (OITT) is widely used for accessing lesions in the pineal region. Although reports are scarce, this approach can also be successfully applied to superior cerebellar lesions, involving the quadrangular lobule.</p> Methods <p>We describe the OITT approach for cerebellar quadrangular lobe lesions, providing relevant anatomy, surgical technique, and key technical considerations.</p> Conclusion <p>Gross total resection can be achieved while preserving normal brain tissue and functionOITT is a safe and low-morbidity route for lesions within the cerebellar quadrangular lobe, as it uses a natural anatomical corridor, avoids manipulation of eloquent areas, and minimizes injury to normal brain tissue.</p>

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Occipital interhemispheric transtentorial approach for the quadrangular lobule of the cerebellum

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年5月2日

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  • Miguel Ossuna,
  • Aderaldo Costa Alves Junior,
  • Marco Antônio Zanini,
  • Pedro Tadao Hamamoto Filho

摘要

Background

The occipital interhemispheric transtentorial approach (OITT) is widely used for accessing lesions in the pineal region. Although reports are scarce, this approach can also be successfully applied to superior cerebellar lesions, involving the quadrangular lobule.

Methods

We describe the OITT approach for cerebellar quadrangular lobe lesions, providing relevant anatomy, surgical technique, and key technical considerations.

Conclusion

Gross total resection can be achieved while preserving normal brain tissue and functionOITT is a safe and low-morbidity route for lesions within the cerebellar quadrangular lobe, as it uses a natural anatomical corridor, avoids manipulation of eloquent areas, and minimizes injury to normal brain tissue.