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Mixed type cutaneous haemangiosarcoma in a dog Prasath N. Babu1, Selvaraj J.1, Ravikumar R.1 1Department of Veterinary Pathology, Veterinary College and Research Institute, Orathanadu-614625, TANUVAS, Thanjavur, Tamilnadu, India *Corresponding author: e-mail: vetdrprasad@gmail.com
Abstract A six year old Labrador retriever with the history of growth over the skin of submandibular region was presented. The growth was removed and subjected for histopathological study. The tissue revealed variable sized vascular channels filled with blood. The vascular channels were lined by pleomorphic cells. The stroma revealed compact pleomorphic, hyperchromatic spindle shaped cells with prominent nucleoli and mitotic figures. The neoplastic cells forming neovascular structures originated from vascular endothelial cells. The mass composed of both cavernous and solid type of haemangiosarcoma. Based on the histopathological features, the case was diagnosed as cutaneous haemangiosarcoma with a mixture of cavernous and solid type in a Labrador retriever. Top Keywords Cutaneous haemangiosarcoma, Labrador retriever, Pathology. Top | Figures Fig. 1.: Skin-variable sized neoplastic vascular channels filled with blood- Cavernous hemangiosarcoma. H&E ×40
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| Fig. 2.: Skin-variable sized neoplastic vascular channels and solid pleomorphic cells - Mixed cavernous and solid type hemangiosarcoma; H&E ×100
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| Fig. 3.: Skin-Solid neoplastic tissue with slit like cavities - Hemangiosarcoma. H&E ×400
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| Fig. 4.: Skin-solid compact pleomorphic cells, avas-cular slits and mitotic figures - Solid hemangiosarcoma. H&E ×400.
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