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World Journal of Surgical Oncology
Published in: World Journal of Surgical Oncology 1/2013

Open Access 01-12-2013 | Case report

A popliteal giant synovial osteochondroma mimicking a parosteal osteosarcoma

Authors: Andreas Toepfer, Florian Pohlig, Heinrich Mühlhofer, Florian Lenze, Rüdiger von Eisenhart-Rothe, Ulrich Lenze

Published in: World Journal of Surgical Oncology | Issue 1/2013

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Abstract

Both giant synovial osteochondroma and parosteal osteosarcoma are rare musculo-skeletal tumors, often localized in the vicinity of the knee. Misdiagnosis of a malignant bone tumor can entail fatal consequences. Etiology of giant synovial osteochondroma is widely unsolved but is believed to originate from synovial chondromatosis, a mostly benign metaplasia of the synovial membrane. Parosteal osteosarcoma is a low-grade surface osteosarcoma with a propensity of local recurrence and the potential of distant metastasis and therefore requiring a different therapeutical approach. We report the case of a popliteal giant osteochondroma mimicking a parosteal osteosarcoma. Relevant facts of this rare entity regarding pathogenesis, treatment, and differential diagnoses will be discussed.
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Metadata
Title
A popliteal giant synovial osteochondroma mimicking a parosteal osteosarcoma
Authors
Andreas Toepfer
Florian Pohlig
Heinrich Mühlhofer
Florian Lenze
Rüdiger von Eisenhart-Rothe
Ulrich Lenze
Publication date
01-12-2013
Publisher
BioMed Central
Published in
World Journal of Surgical Oncology / Issue 1/2013
Electronic ISSN: 1477-7819
DOI
https://doi.org/10.1186/1477-7819-11-241

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