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Skull base chordomas: management and results.
Carsten Stüer1, Johannes Schramm, Carlo Schaller
1Department of Neurosurgery, University of Bonn Medical Center, Bonn, Germany.
Neurologia Medico-Chirurgica
|March 28, 2006
Summary
Skull base chordoma surgery balances tumor removal with preserving neurological function. A less aggressive approach, combined with radiotherapy, can lead to improved patient outcomes and functional status.
Area of Science:
- Neurosurgery
- Oncology
- Radiotherapy
Background:
- Skull base chordomas exhibit invasive growth, often involving critical neurovascular structures.
- Radical surgical removal can lead to significant transient neurological deficits.
Purpose of the Study:
- To compare the outcomes of a management strategy prioritizing functional preservation over radical resection of skull base chordomas with recent surgical series.
- To evaluate the efficacy of a tailored approach involving subtotal/partial resection, radiotherapy, and observation.
Main Methods:
- Retrospective analysis of eleven patients (24-65 years) with skull base chordomas.
- Surgical resection (subtotal/partial in 7, total in 4) followed by postoperative radiotherapy.
- Assessment of neurological deficits, Karnofsky performance status, and tumor recurrence.
Main Results:
- No mortality was observed. Transient cranial nerve deficits occurred in six patients, with temporary morbidity in seven.
- Median Karnofsky performance status improved from 80 preoperatively to 90 at latest assessment (median 36 months).
- Incomplete tumor resection (64%) was noted, reflecting the infiltrative nature and anatomical constraints.
Conclusions:
- A surgical strategy for skull base chordomas should not be excessively aggressive, balancing resection with functional preservation.
- Radiotherapy and observation of residual tumor are viable options to optimize patient outcomes.
- Transient neurological deficits are common but often nonsignificant, with patients returning to baseline function.