Abstract

BALLUT P, Juan  and  PADRON C, Lissy. Lymph nodes extramedullary plasmacytoma in a dog. Rev.MVZ Cordoba [online]. 2012, vol.17, n.2, pp.3087-3091. ISSN 0122-0268.

Extramedullary plasmacytoma is a tumor mass composed of plasma cells distant from the bone marrow, classified as skin tumor and is not often present in dogs. The veterinary center ZOOGAR received a canine patient, male, mixed breed; age eight with generalized lymphadenopathy evident after clinical examination. Postmortem histological examination revealed plasmatic cells in lymph nodes, finding sources of necrosis, coagulation and hemorrhage in both the cortical and medullary part; with tissue remodeling by connective tissue. The liver and spleen showed evidence of metastasis, specifically the liver, at the level of portal triads and centrilobular areas. The lymph node extramedullary plasmacytomas are rare in dogs and have not yet been reported in these organs.

Keywords : Extramedullary; Lymph nodes; plasmacytoma.

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