A popliteal giant synovial osteochondroma mimicking a parosteal osteosarcoma
Andreas Toepfer, Florian Pohlig, Heinrich Mühlhofer, Florian Lenze, Rüdiger Von Eisenhart-Rothe & Ulrich Lenze
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abstract
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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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citation
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Toepfer A, Pohlig F, Mühlhofer H, Lenze F, von Eisenhart-Rothe R,
Lenze U. A popliteal giant synovial osteochondroma mimicking a
parosteal osteosarcoma. World J Surg Oncol 2013; 11:241.
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type
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journal paper/review (English)
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date of publishing
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25-09-2013
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journal title
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World J Surg Oncol (11)
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ISSN electronic
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1477-7819
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pages
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241
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PubMed
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24066980
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DOI
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10.1186/1477-7819-11-241
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