Abstract

During post-slaughter inspection of dromedary camel (Camelus dromedarius), two cases of leiomyoma were described in an eight and ten years old male camels. The neoplastic masses involved in the visceral pleura of one camel and lung tissue of another. Histopathologic features revealed proliferated neoplastic cells, resembling the smooth muscle cells, in the pleura and adjacent pulmonary tissue. The tumor masses appeared as circumscribed area of interlacing bundles of smooth muscle cells arranged in various directions and surrounded by connective tissue capsule. Moreover, the adjacent alveoli exhibited areas of atelectasis and emphysema. The origin of leiomyoma was not determined, but it was suggested that the neoplastic cells originated from smooth muscle layer of the pleural blood vessels.

Highlights

  • IntroductionNeoplastic conditions are infrequently reported in camels (Ramadan, 1994), it is supposed that Camelids are susceptible to all the various tumor types that affect domestic animals

  • The tumor masses appeared as circumscribed area of interlacing bundles of smooth muscle cells arranged in various directions and surrounded by connective tissue capsule

  • Neoplastic conditions are infrequently reported in camels (Ramadan, 1994), it is supposed that Camelids are susceptible to all the various tumor types that affect domestic animals

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Summary

Introduction

Neoplastic conditions are infrequently reported in camels (Ramadan, 1994), it is supposed that Camelids are susceptible to all the various tumor types that affect domestic animals. Despite leiomyoma is histological benign tumor, it has the possibility to metastasize. International Journal of Veterinary Medicine: Research & Reports to distant sites such as pelvic and retroperitoneal lymph nodes, omentum, inferior vena cava, right atrium, muscular tissue of the limb and the lung (Funakoshi et al, 2004). All tissues were examined macroscopically, and the lung tissues were brought to Benha University, Faculty of Veterinary Medicine and department of Pathology for histopathological examination. Selected sections were stained by van Gieson’s stain (Culling et al, 1985)

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