Síndrome dermatite e nefropatia suína (PDNS) na Paraíba: Relato de caso

Abstract

Swine Circovirosis is an infectious disease caused by the Swine Circovirus type 2 (PVC- 2), distributed worldwide in domestic and wild pigs. In the swine species, four distinct syndromes are presented: multisystemic dehydration syndrome of weaned pigs (SDMSD); dermatitis syndrome, porcine nephropathy (PDNS); respiratory and reproductive swine syndrome (SRRP); reproductive failure and congenital swine tremor (CHD).Transmission occurs horizontally or vertically, and in the horizontal form, the oronasal pathway is the most common. The clinical signs observed vary according to the presented syndrome, the predominant ones are diarrhea, progressive weight loss, and delayed growth, enlargement of the lymph nodes, pneumonia, dyspnea and cachexia. Macroscopically the findings are hypertrophy of lymph nodes (inguinal, mesenteric, mediastinal and submandibular), no pulmonary collapse, ulcer in the stomach, skin lesions with reddish and round spots. In the necroscopic examination, the most evident lesion is the increase of volume of the kidneys and presence of petechiae in the renal cortex, other alterations like increase of inguinal lymph nodes and presence of fluids in the thoracic and abdominal cavities can be observed. Histologically, the lesions observed are predominantly dermatitis, necrotizing systemic vasculitis and glomerulonephritis. For diagnosis, epidemiological data, clinical signs, necropsy and histopathological findings must be taken into account, can be performed to confirm the diagnosis. Report a case of Dermatitis Syndrome of Swine Nephropathy (PDNS); describing their macroscopic and histopathological changes observed to aid diagnosis by clinical veterinarians and pathologists