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Cytopathology of parasitic dermatitis in dogs

机译:狗寄生性皮炎的细胞病理学

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摘要

Out of 44 cases of dermatitis in dogs, 11 cases of parasitic origin were analyzed by cytopathology. Histopathologic examination of punch biopsies was also done for correlation with cytologic findings. Sarcoptic dermatitis was recorded in six cases, wherein, besides sarcoptic mites, neutrophils, macrophages, and plasma cells and keratinizing epithelial cells were also seen. Hematology revealed a relative neutrophilia and mild eosinophilia. Four cases of severe and generalized demodicosis complicated with bacteria and/or Malassezia sp. infection were also recorded. Histopathologically numerous Demodex sp. mites in varying stage of maturation were found damaging the hair follicles along with associated pathological changes and foreign body granulomas in one case. In addition, flea allergy dermatitis was also observed in one dog. In nutshell, cytology was found to be unequivocally effective in diagnosing parasitic dermatitis.
机译:在犬的44例皮炎中,通过细胞病理学分析了11例寄生虫起源。穿孔活检的组织病理学检查也与细胞学检查结果相关。发生睑肌皮炎6例,除丘螨外,还可见嗜中性白细胞,巨噬细胞,浆细胞和角化上皮细胞。血液学发现相对嗜中性粒细胞增多和轻度嗜酸性粒细胞增多。严重和全身性蠕形螨病并发细菌和/或Malassezia sp。4例。还记录了感染。组织病理学上无数的蠕形螨。在一种情况下,发现处于不同成熟阶段的螨虫损害了毛囊,并伴有相关的病理变化和异物肉芽肿。另外,在一只狗中也观察到了跳蚤过敏性皮炎。简而言之,发现细胞学对诊断寄生性皮炎毫无疑问是有效的。

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