204444ae_seases___Iowa_State_University__Name
[Etiology] Mechanism unknown but associated with post-viral (PCV2, PRRSV, CSF)* infection, perhaps an immune mediated disease [Signs - Lesions] Red to purple, circular 1 cm lesions appear on perineal, ham, ventral regions that may enlarge and coalesce. Nephropathy also present may lead to death in days to weeks. [Comments] Diagnosis by recognition and histopathology on skin and kidney. Usually sporadic but morbidity can approach 10%. No treatment. [Name] 
Porcine dermatopathy and nephropathy syndrome (PDNS)
Skin Lesions and Diseases | Iowa State University
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