Osteoid osteoma of the patella: a case report |
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Authors: | Panagiotis G. Vallianatos Anastasia C. Tilentzoglou Savvas V. Seitaridis Helen J. Mahera |
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Affiliation: | (1) Sports Injuries Department, KAT Hospital, Athens, Greece;(2) 49 Smirnis str., 14231 Nea Ionia, Athens, Greece;(3) Department of Pathology, KAT Hospital, Athens, Greece |
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Abstract: | Though osteoid osteoma is a common primary benign lesion of the bones, intra-articular involvement is rare and poses diagnostic difficulties when it affects middle-aged patients. We present the case of a 51-year-old woman with a 2.5 year history of anterior knee pain that was misdiagnosed as osteochondritis dissecans. Radiological findings were absent, whereas MRI showed a well-circumscribed lesion. A local excisional biopsy was performed and microscopic appearance confirmed diagnosis. |
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Keywords: | Osteoid osteoma Patella |
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