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Title: Hypereosinophilic syndrome in cats: a report of three cases. Author: McEwen SA, Valli VE, Hulland TJ. Journal: Can J Comp Med; 1985 Jul; 49(3):248-53. PubMed ID: 4041970. Abstract: The clinical, clinicopathological and pathological findings in three cats with hypereosinophilic syndrome are described. The cats chosen for the study had marked eosinophilia and evidence of tissue infiltration by eosinophils. Necropsies were performed on two cats, biopsy and blood samples were provided for the third cat. At necropsy, there was diffuse reddening of femoral bone marrow with ulceration and thickening of the duodenum. The livers had an enhanced lobular pattern with multiple, white, 1-3 mm nodules throughout the parenchyma. One cat had splenomegaly and the other had several enlarged, white, firm lymph nodes. Histopathologically, there was eosinophil infiltration of intestine, lymph nodes, liver, spleen, adrenal medulla and beneath the endocardium. Ultrastructurally, the eosinophils from lymph node and bone marrow of cat II were morphologically normal. The rigid criteria for eosinophilic leukemia were not fulfilled by these cases and the etiology of the eosinophilia in each case is not known. Possible pathogenic mechanisms are discussed.[Abstract] [Full Text] [Related] [New Search]