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Pediatric extraskeletal osteosarcoma

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Abstract

Extraskeletal osteosarcoma (ESOS) is a rare malignant tumor composed of mesenchymal cells comprising approximately 1% of soft-tissue sarcomas and 4% of all osteosarcomas. Primary osseous osteosarcomas more commonly develop in children and adolescents, but there are very few reports of ESOS occurring in those younger than 40 years. These variants of high-grade osteosarcoma are often characterized histopathologically by the production of an osteoid matrix and bone from malignant osteoblasts that by definition are present in the soft tissue outside the normal skeletal anatomy. We present a 13-year-old girl with a gradually enlarging, painless left thigh mass.

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Authors and Affiliations

  1. Clinical Radiology of Oklahoma, P.O. Box 2814, Edmond, OK, 73083, USA

    Douglas P. Beall & Annette M. Stapp

  2. Department of Radiology, Wilford Hall Medical Center, San Antonio, TX, USA

    Justin Ly

  3. College of Medicine, University of Oklahoma Health Science Center, Oklahoma, OK, USA

    Jayson P. Bell & Julie C. Babb

  4. Department of Radiology, University of Oklahoma Health Science Center, Oklahoma, OK, USA

    Ellen E. Parker

  5. College of Medicine, Midwestern University, Oakbrook Terrace, IL, USA

    Christopher M. John

Authors
  1. Douglas P. Beall
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  2. Justin Ly
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  3. Jayson P. Bell
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  4. Ellen E. Parker
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  5. Christopher M. John
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  6. Julie C. Babb
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  7. Annette M. Stapp
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Corresponding author

Correspondence to Annette M. Stapp.

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Beall, D.P., Ly, J., Bell, J.P. et al. Pediatric extraskeletal osteosarcoma. Pediatr Radiol 38, 579–582 (2008). https://doi.org/10.1007/s00247-007-0739-z

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  • DOI: https://doi.org/10.1007/s00247-007-0739-z

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