Evolution of Endoscopic Management

Researchers recently evaluated the long-term outcomes of patients undergoing Skull Base Chordomas Surgery over a 20-year period. Specifically, the study analyzed the efficacy of endonasal endoscopic techniques combined with radiotherapy. Consequently, the findings provide a clearer picture of prognostic factors affecting progression-free survival (PFS) and overall survival (OS). This data is particularly relevant for oncology and neurosurgery teams managing these complex cases.

Notably, the rate of gross total resection (GTR) increased significantly over time. For instance, surgeons achieved GTR in only 25.8% of patients between 2006 and 2014. However, this rate rose to 50.0% during the 2015-2022 period. This improvement underscores the rapid evolution of endoscopic tools and surgical expertise. Furthermore, multivariate Cox regression analysis identified GTR and the absence of surgical complications as independent prognostic factors for improved survival outcomes.

Additionally, the study addressed the controversy surrounding adjuvant radiotherapy (RT). The data suggests that RT plays a vital role in improving OS, particularly when surgeons cannot achieve a total resection. Therefore, a multidisciplinary approach remains essential for long-term disease control. Experts also compared different RT modalities, finding that intensity-modulated radiotherapy (IMRT) serves as a viable alternative when proton beam therapy is unavailable.

Optimizing Outcomes in Skull Base Chordomas Surgery

Clinicians must focus on maximal safe resection to optimize patient results. Specifically, larger tumor volumes often correlate with a poorer prognosis in multivariate models. In addition, the presence of postoperative complications can negatively impact survival rates. Consequently, surgeons must refine their approach to minimize morbidity while maximizing tumor removal. These insights allow for more personalized treatment planning and better patient counseling regarding long-term expectations.

Frequently Asked Questions

Can skull base chordomas be fully resected using endoscopic surgery?

While complete resection is challenging due to the tumor's proximity to vital structures, modern Skull Base Chordomas Surgery using endonasal endoscopic techniques has significantly improved GTR rates over the last two decades. High-volume centers now report total resection in up to 50% of cases.

What is the role of radiotherapy after surgery?

Postoperative radiotherapy is a critical factor for improving overall survival. It serves as a necessary adjuvant treatment, especially in cases where residual tumor remains after the initial surgery.

Which prognostic factors most influence survival?

According to the latest 20-year analysis, the extent of resection (GTR), the initial tumor volume, and the absence of surgical complications are the primary predictors of progression-free survival.

Disclaimer: This content is for informational and educational purposes only... Refer to the latest local and national guidelines for clinical practice.

References

Li H et al. Endoscopic endonasal surgery and radiotherapy in skull base chordomas: a 20-year retrospective analysis of long-term outcomes and prognostic factors. Acta Otolaryngol. 2026 May 05. doi: 10.1080/00016489.2026.2659351. PMID: 42084902.

Zhang HK et al. Endonasal Endoscopic Resection and Radiotherapy in Skull Base Chordomas. J Craniofac Surg. 2016 Oct;27(7):e709-e713. doi: 10.1097/SCS.0000000000003031.

Singh H et al. Expanded Endoscopic Endonasal Approach in the Management of Anterior Skull Base Malignancies: Experience from a Quaternary Care Center in India. Indian J Surg Oncol. 2025. doi: 10.1007/s13193-025-02100-y.