Falcine and parasagittal chondrosarcomas

Michael Safaee, Aaron J. Clark, Tarik Tihan, Andrew T. Parsa, Orin Bloch

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Intracranial chondrosarcomas are primary cartilaginous neoplasms that represent 6% of all skull base tumors. Intracranial extraskeletal chondrosarcomas are more rare, often arising from the meninges at the falx, tentorium, or cerebral convexity. They are generally characterized as classical or mesenchymal, with the latter associated with worse outcomes. We present our institutional series of falcine and parasagittal chondrosarcomas along with a review of the literature. Although skull base chondrosarcomas pose significant challenges due to their invasive biology and proximity to vital brainstem structures and cranial nerves, intracranial extraskeletal chondrosarcomas are generally associated with a good prognosis. Our review of the literature identified 29 patients with falcine and parasagittal chondrosarcomas. There were six recurrences, five among patients with the mesenchymal subtype and one in a patient with the classical subtype. All deaths occurred in patients with the mesenchymal subtype. Management of skull base chondrosarcomas is controversial but extraskeletal intracranial tumors can generally be managed by surgical resection alone. Treatment should be tailored to the biology of the tumor, with radiation therapy reserved for patients with the mesenchymal subtype.

Original languageEnglish (US)
Pages (from-to)1232-1236
Number of pages5
JournalJournal of Clinical Neuroscience
Volume20
Issue number9
DOIs
StatePublished - Sep 1 2013
Externally publishedYes

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Chondrosarcoma
Skull Base
Neoplasms
Meninges
Cranial Nerves
Brain Stem
Radiotherapy
Recurrence

Keywords

  • Chondrosarcoma
  • Falcine
  • Intracranial
  • Parasagittal

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology
  • Physiology (medical)

Cite this

Falcine and parasagittal chondrosarcomas. / Safaee, Michael; Clark, Aaron J.; Tihan, Tarik; Parsa, Andrew T.; Bloch, Orin.

In: Journal of Clinical Neuroscience, Vol. 20, No. 9, 01.09.2013, p. 1232-1236.

Research output: Contribution to journalArticle

Safaee, M, Clark, AJ, Tihan, T, Parsa, AT & Bloch, O 2013, 'Falcine and parasagittal chondrosarcomas', Journal of Clinical Neuroscience, vol. 20, no. 9, pp. 1232-1236. https://doi.org/10.1016/j.jocn.2013.01.004
Safaee, Michael ; Clark, Aaron J. ; Tihan, Tarik ; Parsa, Andrew T. ; Bloch, Orin. / Falcine and parasagittal chondrosarcomas. In: Journal of Clinical Neuroscience. 2013 ; Vol. 20, No. 9. pp. 1232-1236.
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