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[Clinical features in osteosarcoma and prognostic implications].

Angela Rech1, Cláudio G Castro, Jane Mattei

  • 1Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil.

Jornal De Pediatria
|February 24, 2004
PubMed
Summary
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Metastatic osteosarcoma at diagnosis, elevated serum lactic dehydrogenase, and poor tumor necrosis predict a worse prognosis in children and adolescents. These factors indicate aggressive disease or late diagnosis, impacting survival rates.

Area of Science:

  • Pediatric Oncology
  • Skeletal Oncology
  • Cancer Prognostics

Context:

  • Osteosarcoma is a primary bone cancer predominantly affecting children and adolescents.
  • Clinical features and prognostic indicators require ongoing investigation to improve patient outcomes.
  • Understanding disease patterns in specific populations is crucial for tailored treatment strategies.

Purpose:

  • To identify clinical features associated with osteosarcoma in pediatric and adolescent patients.
  • To investigate the prognostic influence of these clinical features on disease outcomes.
  • To evaluate survival rates and identify predictors of unfavorable prognosis in this demographic.

Summary:

  • This study reviewed 50 pediatric and adolescent osteosarcoma cases, analyzing clinical features and treatment outcomes.

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  • Key prognostic factors identified include presence of metastases at diagnosis, serum lactic dehydrogenase levels (>1,000 UI/ml), and tumor necrosis (<90%).
  • Overall 5-year survival was 33.2%, with significantly poorer outcomes for metastatic patients (0% 5-year event-free survival).
  • Impact:

    • Identifies critical prognostic markers for osteosarcoma in young patients, aiding in risk stratification.
    • Highlights a potentially aggressive disease pattern or challenges with late diagnosis in the studied population.
    • Informs clinical decision-making and emphasizes the need for early detection and aggressive management of metastatic osteosarcoma.