Bilateral anteromedial petrosectomy via endoscopic endonasal transclival approach for calcified sphenopetroclival chondrosarcoma with petrous apices and cavernous sinus involvement: technical nuances of a minimally invasive solution. Illustrative cas

EETA offers maximal safe resection of SPCC with bilateral anteromedial petrous apex involvement without the need for complex maneuvers that could jeopardize carotid arteries or vidian nerves. When judiciously planned, low recurrence rates are expected for low-grade tumors. https://thejns.org/doi/10.3171/CASE25119.