Primary tumors of the patella |
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| Authors: | Mark J Kransdorf LTC MC USA Richard P Moser Jr LTC MC USA Tuyethoa N Vinh MD Jun Aoki MD John J Callaghan MD |
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| Affiliation: | (1) Department of Radiology, Walter Reed Army Medical Center, Washington, D.C.;(2) Department of Radiologic Pathology, Armed Forces Institute of Pathology, Washington, D.C.;(3) Department Orthopedic Pathology, Armed Forces Institute of Pathology, Washington, D.C.;(4) Department of Orthopedic Surgery, Duke University, Durham, N.C.;(5) the Department of Orthopedic Surgery, Walter Reed Army Medical Center, Washington, D.C., USA;(6) Department of Radiology and Nuclear Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland |
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| Abstract: | This study reports 42 cases of histologically proven and radiographically correlated primary patellar tumors. Despite diverse histologic diagnoses, the radiographic appearances of benign as opposed to malignant patellar neoplasms are essentially indistinguishable. Although the literature suggests that giant cell tumor is the most frequent benign tumor of the patella, the most common benign neoplasm in this series is chondroblastoma (16 cases). Only four primary malignant lesions were encountered, three cases of lymphoma and one case of hemangioendothelioma. Since 38 (90%) of the 42 cases were benign, a benign etiology should be strongly favored, notwithstanding the radiographic appearance, whenever a primary patellar tumor is encountered.The opinions or assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army or the Department of Defense. |
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| Keywords: | Bone tumors Patella Patellar tumors Skeletal neoplasms |
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