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Essayed et al. from the Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.presented a case of a chondrosarcoma centered in the upper clivus and eroding the right posterior clinoid, analogous to the location of a giant basilar apex aneurysm. Detailed study of the tumor extension, bony invasion, and relationship with neuroanatomy dictated the most effective surgical approach.

Neuronavigation and intraoperative magnetic resonance imaging (MRI) facilitated the gross total resection of the tumor in the Advanced Multimodality Image-Guided Operating suite (AMIGO). Achieving a gross total tumor removal of this World Health Organization (WHO) grade I chondrosarcoma, adjuvant irradiation can be withheld and the patient monitored with serial imaging. The patient did well after the surgery 1).

1)
Essayed W, Mooney MA, Al-Mefty O. Transcavernous Resection of an Upper Clival Chondrosarcoma: “Cavernous Sinus as a Route”: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2021 May 3:opab043. doi: 10.1093/ons/opab043. Epub ahead of print. PMID: 33940624.