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  • Title: Use of immunocytochemical techniques in canine melanoma.
    Author: Höinghaus R, Mischke R, Hewicker-Trautwein M.
    Journal: J Vet Med A Physiol Pathol Clin Med; 2002 May; 49(4):198-202. PubMed ID: 12069262.
    Abstract:
    The staining patterns of the monoclonal antibodies S-100 and Melan-A in canine melanoma were assessed based on cytological specimens of six canine melanomas (four benign, two malignant). In addition, eight regional lymph nodes of the two dogs with malignant melanomas were stained using these markers. For reference, all specimens were also evaluated immunohistochemically using S-100 and Melan-A. To assess the immunocytochemical specificity of both antibodies, various canine tumours and normal tissues were stained. The immunocytochemical staining results of the canine melanomas and the regional lymph nodes showed high conformity with the immunohistochemical reactivity patterns for S-100 and Melan-A. The specificity of Melan-A was higher compared with S-100. Melan-A, in particular, may be helpful for the cytological diagnosis of canine melanoma.
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