Endoscopic Approaches for Skull Base Chordomas
Chordomas are developmental tumors that arise from remnants of the notochordal tissue that is located at the center of the axial skeleton. Location at the skull base, the spine, and…
The Extended Petrosal Middle Fossa Approach
The middle fossa approach to the skull base is one of the most versatile approaches and follows the paramount principles of skull base surgery: avoiding brain retraction, shortening the distance,…
The Transcondylar Approach to the Clivus
Origin and Occurrence The craniovertebral junction, along with the clivus, is a common site of neoplastic, vascular, and degenerative diseases, which often demand surgical treatment. 1,2,3,4,5,6,7 Chordomas are rare neoplasm,…
Chordomas and Chondrosarcomas in the Pediatric Population
Chordomas and chondrosarcomas are divergent tumors, based on their immunohistologic features. They share some similarities with regards to anatomical location, clinical presentation, radiologic findings, and treatment options.1 Their names may…
Intraoperative Assistive Technologies for Chordoma Surgery
Chordomas are infiltrative tumors located within the intricate anatomy of the central skull base. It is well established that radical resections with no gross residual is associated with better prognosis….
Epidural Middle Fossa Approaches
Chordomas are rare, slow-growing, infiltrative tumors that are most often identified in the fourth to sixth decades of life. 1 They account for 1 to 4% of all primary bone…
Historical Aspects
Chordomas represent less than 1% of intracranial tumors and 3% of primary bone tumors, with an incidence of 0.08 per 100,000, peaking in the sixth decade, with a 2:1 male…
