Publication

A popliteal giant synovial osteochondroma mimicking a parosteal osteosarcoma

Journal Paper/Review - Sep 25, 2013

Units
PubMed
Doi

Citation
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.
Type
Journal Paper/Review (English)
Journal
World J Surg Oncol 2013; 11
Publication Date
Sep 25, 2013
Issn Electronic
1477-7819
Pages
241
Brief description/objective

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.