What question did this study set out to answer?

This study aims to describe the occipital interhemispheric transtentorial approach for accessing lesions in the cerebellar quadrangular lobe.

May 5, 20260 citations

Occipital interhemispheric transtentorial approach for the quadrangular lobule of the cerebellum.

MOMiguel Ossuna AAAderaldo Costa Alves MZMarco Antônio Zanini

Key Points

This study aims to describe the occipital interhemispheric transtentorial approach for accessing lesions in the cerebellar quadrangular lobe.
Described the OITT approach for cerebellar quadrangular lobe lesions.
Provided details on relevant anatomy and key technical considerations.
Emphasized techniques to achieve gross total resection while preserving normal brain tissue.
Gross total resection of cerebellar quadrangular lobe lesions can be achieved safely.
The approach uses a natural anatomical corridor, minimizing injury to eloquent areas.
OITT is associated with low morbidity and preservation of brain function.

Abstract

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.

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