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OJVRTM
Online Journal of Veterinary Research©
Volume 17 (1):7-12, 2013.

 A pathologic study of cutaneous xanthoma in a domestic pigeon

 

Reza Kheirandish1, Shahrzad Azizi1, Omid Azari2, Atefeh Nasri3

 

1Department(s) of Pathobiology, 2Clinical Sciences, 3Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.

 

ABSTRACT

 

Kheirandish R, Azizi S, Azari O, Nasri A., A pathologic study of cutaneous xanthoma in a domestic pigeon, Online J Vet Res., 17 (1): 7-12, 2013.  Xanthomas are inflammatory lesions which may be single or multiple and appear as papillary nodules to raised plaques. All tissues and internal organs of humans or animals may be affected. The present study describes a case of cutaneous xanthoma in a 4 year old pigeon. A firm texture well demarcated yellow nodule with a semi-pedunculated base was found on the right wing. The overlying epithelium presented multifocal ulcerations covered by feathers. Histology showed infiltration by numerous, large, foamy macrophages with eccentric nuclei and varying numbers of lymphocytes, eosinophils, and multinucleated giant cells in the superficial and deep dermis. A large number of extracellular needle-like cholesterol clefts were present in the lesion. On the dermis mild to moderate acanthosis and hyperkeratosis were observed. Multifocal necrosis and ulcerations were clearly visible on the epidermis. A diagnosis of cutaneous xanthoma was thus made.

 

 

Key words: Xanthoma, pigeon, pathology.

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