https://www.vetsurgeon.org/f/clinical-questions/24174/elbow-xray-from-stifle-replacement-thread [quote user=&quot;Martin Atkinson&quot;]Elbow replacements: who does them? [/quote] Tangent of: RE: Stifle replacement - who does them? Is that likely a synovial sarcoma? en-USTelligent Community 10https://www.vetsurgeon.org/thread/156970?ContentTypeID=1Wed, 20 Apr 2016 19:13:40 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:2999fdfb-ad12-42b2-9d69-9b385d7510f0Malcolm Ness<p>[quote user=&quot;Martin Atkinson&quot;]osteosarcoma as there are no characteristic signs and its crossed the joint. I was thinking more fibrosarcoma[/quote]</p> <p>Osteo, chondro and fibrosarcomata form almost a clinical continuum with similar/overlapping clinical and radiographic features so I think it unlikely that this is/was a fibrosarcoma.</p> <p>Plasmacytoma would be top of my list.&nbsp;</p><div style="clear:both;"></div>https://www.vetsurgeon.org/thread/156923?ContentTypeID=1Wed, 20 Apr 2016 10:23:56 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:419dda55-ce5a-45a5-b2cb-302b899f582bMartin Atkinson<p>Good question. Its not an osteosarcoma as there are no characteristic signs and its crossed the joint. I was thinking more fibrosarcoma but you&#39;rs is a good suggestion albeit I&#39;ve never (knowingly) seen one. I did wonder retrospectively if it was an infective process but the dog has never been poorly.</p><div style="clear:both;"></div>