https://www.vetsurgeon.org/f/clinical-questions/22197/plasma-cell-pododermatitis Quick question! Can plasma cell pododermatitis occur on adjacent skin instead of the pads? I see a Maine Coon that had a diagnosis (visual) of feline acne on its chin and on the skin on D2 hind leg several years ago at another vets. To me, the foot lesionen-USTelligent Community 10https://www.vetsurgeon.org/thread/137102?ContentTypeID=1Tue, 02 Jun 2015 21:17:17 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:a6a53e00-cd72-4d1b-b30c-421c7f18d4e6Stephen Shaw<p>These lesions are unlikely to be PCP on the basis of your description. Biopsy is the way to go. Haemagiosarcoma in a case report in a cat was described as red (1) rather than blue and a cystic lesions sounds possible. Feline acne is a chin problem.</p> <p>Hope this helps. Any pictures?</p> <p>(1) Hartley, C., J. Ladlow and K. C. Smith (2007). &quot;Cutaneous haemangiosarcoma of the lower eyelid in an elderly white cat.&quot; <span>J Feline Med Surg</span> <b>9</b>(1): 78-81.</p> <div></div><div style="clear:both;"></div>https://www.vetsurgeon.org/thread/133627?ContentTypeID=1Thu, 16 Apr 2015 14:08:06 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:6d617618-6569-4be4-a0a3-0ab1288fbbf2Richard Carter<p>Think a diagnosis would give you and the owner the best information. Bluish lumps in ends of cat feet doesn&#39;t sound good to me.</p><div style="clear:both;"></div>