Malignant pheochromocytoma in a pig

Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
Jorge MartínezJoaquim Segalés

Abstract

Endocrine tumors are rarely observed in pigs, and pheochromocytomas have been only punctually described. The current report describes a white and firm, 15-cm in diameter, neoplastic mass located in the adrenal gland with metastasis to regional lymph nodes in a 2.5-year-old sow. The masses had marked desmoplasia that supported a population of polygonal-to-spindle-shaped neoplastic cells arranged into cords and packets within a delicate fibrovascular stroma. Immunohistochemical staining of the tumor was positive for chromogranin and negative for neurofilament protein in adrenal and lymph node masses, which was characteristic of a malignant pheochromocytoma.

References

Oct 1, 1968·Journal of Comparative Pathology·A T Sandison, L J Anderson
Jul 27, 2001·Veterinary Pathology·T SakoH Taniyama
Jul 27, 2001·The Veterinary Record·G P ReppasE J Wills
Feb 23, 2007·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Christopher J BonarCharles C Capen
Dec 30, 2008·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Gretchen ColeGayle Johnson
Mar 12, 2009·Veterinary Pathology·C Juan-SallésM M Garner

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Citations

Apr 27, 2018·The Journal of Veterinary Medical Science·Koji UetsukaTetsuo Nunoya
Nov 10, 2018·Xenotransplantation·Abhijit JagdaleDavid K C Cooper

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