Malignant pheochromocytoma in a pig

Jorge Martínez, Iván Galindo-Cardiel, Meritxell Díez-Padrisa, Emilio I. López-Sabater, Joaquim Segalés

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

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. © 2012 American Association of Veterinary Laboratory Diagnosticians.
Original languageEnglish
Pages (from-to)207-210
JournalJournal of Veterinary Diagnostic Investigation
Volume24
Issue number1
DOIs
Publication statusPublished - 1 Jan 2012

Keywords

  • Adrenal gland
  • metastasis
  • paraganglioma
  • pheochromocytoma
  • swine

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