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Osteosarcoma

Evidence last reviewed: 20 Mar 2026
Topic last updated: 09 Sep 2025

Summary

Definition

History and exam

Key diagnostic factors

  • childhood and adolescence
  • worsening pain over weeks to months
  • mass/swelling
  • male sex
Full details

Other diagnostic factors

  • race/ethnicity
  • tall stature
  • high birthweight
  • limp
  • history of trauma
  • limited range of motion
Full details

Risk factors

  • childhood and adolescence
  • Paget disease
  • radiation therapy
  • Rothmund-Thomson syndrome
  • familial retinoblastoma syndrome
  • Li-Fraumeni syndrome
  • race/ethnicity
  • nonfamilial deleterious germline variants
  • male sex
  • tall stature
  • high birthweight
  • chemotherapy exposure
Full details

Diagnostic tests

1st tests to order

  • conventional radiographs
  • bone biopsy
  • MRI
  • CT
  • CT thorax
  • bone scan
  • whole body fluorodeoxyglucose (FDG)-PET/CT
  • CBC
  • serum alkaline phosphatase
  • serum lactate dehydrogenase
Full details

Treatment algorithm

ACUTE

low-grade disease at presentation

high-grade nonmetastatic disease at presentation

metastatic disease at presentation

ONGOING

relapsed/refractory disease

Contributors

Authors

David Loeb, MD, PhD

Chief

Division of Pediatric Hematology, Oncology, and Marrow & Blood Cell Transplantation

Children's Hospital at Montefiore

Associate Professor, Pediatrics

Associate Professor, Developmental and Molecular Biology

Albert Einstein College of Medicine

Bronx

NY

Divulgaciones

DL declares that he has no competing interests.

Agradecimientos

Dr David Loeb would like to gratefully acknowledge Dr Luminita Rezeanu and Dr Michael J. Klein, the previous contributors to this topic.

Divulgaciones

LR and MJK declare that they have no competing interests.

Revisores por pares

Edward Sauter, MD, PhD

Professor of Surgery

Ellis Fischel Cancer Center

University of Missouri

Columbia

MO

Divulgaciones

ES declares that he has no competing interests.

Rachael Windsor, BSc, MBBS, MSc, MRCPCH

Locum Consultant Paediatric Oncologist

University College Hospital

London

UK

Divulgaciones

RW declares that she has no competing interests.

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Referencias

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Artículos principales

WHO Classification of Tumours Editorial Board. Soft tissue and bone tumours: WHO classification of tumours. 5th ed. vol 3. Lyon, France: IARD Press; 2020

National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: bone cancer [internet publication].Texto completo

Strauss SJ, Frezza AM, Abecassis N, et al. Bone sarcomas: ESMO-EURACAN-GENTURIS-ERN PaedCan Clinical Practice Guideline for diagnosis, treatment and follow-up. Ann Oncol. 2021 Dec;32(12):1520-36.Texto completo  Resumen

Artículos de referencia

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