Brain Tumours

Chordoma Chondrosarcoma

NATURAL HISTORY

CHORDOMA 5 yr and 10 yr DFS 70% and 45% Exhibit locally destructive growth Recurrences may be noted many years after treatment Distant metastasis extremely rare (6% - 22%) Metastasis higher in the presence of recurrent disease After recurrence, 3-yr and 5-yr OS about 43% and 7%

CHONDROSARCOMA

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More indolent and associate with much more favorable prognosis 10-yr local control and disease- specific survival 98-99% No relationship between histological subtype and grade

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03/01/13