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Chordoma Chondrosarcoma
03/01/13
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
•
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
NATURAL HISTORY