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  • Title: Endonasal Route for Tuberculum and Planum Meningiomas.
    Author: Cavallo LM, d'Avella E, Tortora F, Bove I, Cappabianca P, Solari D.
    Journal: Adv Tech Stand Neurosurg; 2024; 53():65-78. PubMed ID: 39287803.
    Abstract:
    Tuberculum and planum meningiomas are challenging tumors per their critical location and neurovascular relationships. The standard treatment is usually represented by complete tumor removal, being the transcranial approaches the well-established routes. During the last decades, novel surgical routes have been experimented with emphasis on the concept of minimal invasive approaches. The peculiar perspective from below the endoscopic endonasal approach provides a short and direct access avoiding brain and neurovascular structures manipulation, featuring excellent outcomes and a reduced morbidity. Ideal indications are small or medium size midline meningiomas, with wide tuberculum sellae angle and deep sella at the sphenoid sinus, possibly with no optic nerve and/or vessels encasement. Adequate removal of paranasal structures and extended bony opening over the dural attachment provide a wide surgical corridor ensuring safe intradural exposure at the suprasellar area. The main advantage is related to early decompression of the optic apparatus and reduced manipulation of subchiasmatic perforating vessels, with improved visual outcomes. Direct exposure of the inferomedial aspect of the optic canals allows for maximal decompression in cases of tumor extending within. Transcranial approaches tend to be selected for larger tumors with lateral extension beyond optic nerves and supraclinoid carotid arteries, in inaccessible areas from an endonasal corridor.
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