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Case Reports
. 2012 Sep;41(10):1319-22.
doi: 10.1007/s00256-012-1405-6. Epub 2012 Apr 22.

Malignant degeneration of a lumbar osteochondroma into a chondrosarcoma which mimicked a large retropertioneal mass

Evgeny Strovski  1 , Rola Ali, Douglas A Graeb, Peter L Munk, Silvia D Chang
Affiliations
Case Reports

Malignant degeneration of a lumbar osteochondroma into a chondrosarcoma which mimicked a large retropertioneal mass

Evgeny Strovski et al. Skeletal Radiol. 2012 Sep.

Abstract

We report a case of a lumbar spinal osteochondroma that transformed into a large chondrosarcoma in a 39-year-old male who presented with an abdominal mass and back pain. This mass was also associated with a fracture of the stalk, which on cross-sectional imaging mimicked a mass of retroperitoneal origin. The diagnosis of chondrosarcoma transforming from a lumbar osteochondroma became apparent when comparison was made with previous studies.

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