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Solitary Metastasis of the Patella in the Differential Diagnosis of Anterior Knee Pain



The patella is a sesamoid bone and, because of poor vascular supply, it is considered that metastases are not usual (1). Only about 30 cases of patellar metastasis originating from different primary tumours, mostly lung and breast have been reported in the literature (2–15). In only eight cases was patellar metastasis the only sign of distant tumour (16–20). Here, we present a unique case of patellar metastasis of lung adenosquamous carcinoma, with the anterior knee pain as the first and only sign of the disease.

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e-Published: 01 Oct, 2013
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