Key result
In 229 patients with primary Ewing's sarcoma, location of the primary tumor within an extremity and inclusion of surgery were associated with surviving five years or longer.
Why the study?
Are tumor location and surgical treatment associated with five-year survival in patients with primary Ewing's sarcoma of bone?
Population
229 patients with primary Ewing's sarcoma of bone
Comparison
Location of the primary tumor within an… vs Tumor not in extremity and no surgery as part of…
Design
Cohort
Follow-up
5 years
Authors
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May aid prognostic counseling; leaves open selection bias or causality in this Level 3 cohort.
Observational (n=229)
Are tumor location and surgical treatment associated with five-year survival in patients with primary Ewing's sarcoma of bone?
In patients with primary Ewing's sarcoma, extremity tumor location and surgical treatment are associated with improved five-year survival.
Pritchard et al. (1975) conducted an observational in Primary Ewing's sarcoma of bone (n=229). Location of primary tumor within an extremity and inclusion of surgery vs. Non-extremity location and no surgery was evaluated on Five-year survival. In 229 patients with primary Ewing's sarcoma, location of the primary tumor within an extremity and inclusion of surgery were associated with surviving five years or longer.
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