Distal appendicular bone metastases
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Distal appendicular skeletal metastases are uncommon. Metastases distal, especiallydistal to the knee and elbow joints, are very rare.
Renal cell carcinoma and lung carcinomas are the primary malignancies which are notorious for causing acral metastases. Renal cell carcinoma long bone metastases can be expansile lesions with crenellated marginsuncommon.
Pathology
Aetiology
Malignancies that commonly spread to appendicular skeleton include 1:
-<p><strong>Distal appendicular skeletal metastases</strong> are uncommon. Metastases distal to the knee and elbow joints are very rare.</p><p><a href="/articles/renal-cell-carcinoma-1" title="Renal cell carcinoma (RCC)">Renal cell carcinoma </a>and <a href="/articles/bronchogenic-carcinoma" title="lung cancer">lung carcinomas </a>are the primary malignancies which are notorious for causing acral metastases. Renal cell carcinoma long bone metastases can be expansile lesions with crenellated margins.</p><h4>See also</h4><ul><li><a href="/articles/skeletal-metastases" title="Skeletal metastases">skeletal metastases</a></li></ul>- +<p><strong>Distal appendicular skeletal metastases</strong>, especiallydistal to the knee and elbow joints, are uncommon.</p><h4>Pathology</h4><h5>Aetiology</h5><p>Malignancies that commonly spread to appendicular skeleton include <sup>1</sup>:</p><ul>
- +<li><a title="Lung cancer : general" href="/articles/lung-cancer-3">lung</a></li>
- +<li><a title="breast cancer" href="/articles/breast-cancer">breast</a></li>
- +<li><a title="Renal cancer" href="/articles/renal-cell-carcinoma-1">renal</a></li>
- +<li><a title="Prostate cancer" href="/articles/prostatic-carcinoma-1">prostatic</a></li>
- +</ul><p> </p>
References changed:
- 1. Miric A, Banks M, Allen D et al. Cortical Metastatic Lesions of the Appendicular Skeleton from Tumors of Known Primary Origin. J Surg Oncol. 1998;67(4):255-60. <a href="https://doi.org/10.1002/(sici)1096-9098(199804)67:4<255::aid-jso9>3.0.co;2-7">doi:10.1002/(sici)1096-9098(199804)67:4<255::aid-jso9>3.0.co;2-7</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/9579374">Pubmed</a>
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Case 1: metastasis to metatarsal
Image 2 X-ray (Frontal) ( update )
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Case 2: femoral metastasis
Image 3 X-ray (Frontal) ( create )
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