Pathological and immunohistochemical studies on skin and subcutaneous neoplasia in Arabian Camels (Camelus dromedarius)

Document Type : Original Article

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Department of Pathology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt

Abstract

Background: Tumors have been rarely documented in the Arabian dromedary (Camelus dromedarius).
Methods: Post-slaughter inspections of different skin tumors in one-humped Dromedary camels slaughtered at different abattoirs in Egypt during the period from January 2019 and February 2022. The age of the examined animals ranged from 4 to 15 years. The pathological swelling was collected from affected camels and then subjected to a detailed study to record the different gross and microscopic findings.
Results: Our study revealed the presence of 13 cases out of 988 showed neoplasia with an incidence rate of 1.3% including papilloma (0.1%), fibropapilloma (0.1%), lipomas (0.2%), adenoma (0.1%), squamous cell carcinoma (0.1%), and myxosarcomas (0.7%).
Conclusions: Myxosarcomas is the most common tumor diagnosed in this study that was immunohistochemically confirmed by positive cytoplasmic immunoreactivity for vimentin. Meanwhile, benign cutaneous tumors are less frequent in camels such as papilloma, fibropapilloma, lipoma, and adenoma.

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