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Delayed diagnosis and tumor stage in Ewing's sarcoma
G Bacci1, M Di Fiore, S Rimondini
1Sezione di Chemioterapia, Istituti Ortopedici Rizzoli, I-40136 Bologna, Italy.
Oncology Reports
|February 19, 1999
Summary
Diagnosis of Ewing
Area of Science:
- Pediatric Oncology
- Skeletal Tumors
Background:
- Ewing's sarcoma is a rare bone cancer.
- Late diagnosis is common, with a 4-month average delay from symptoms to biopsy.
Purpose of the Study:
- To investigate the relationship between tumor stage and time to diagnosis in Ewing's sarcoma patients.
Main Methods:
- Analysis of diagnostic timelines for 618 patients with Ewing's sarcoma.
- Correlation of time to diagnosis with tumor staging (localized vs. metastatic).
Main Results:
- No association found between diagnostic delay and tumor stage.
- Metastatic Ewing's sarcoma patients were diagnosed earlier than localized disease patients.
Conclusions:
- Diagnostic intervals for Ewing's sarcoma are lengthy.
- Earlier diagnosis of metastatic disease may indicate distinct tumor biology or aggressiveness.