Orbitotomy for retrobulbar malignant fibrous histiocytoma in a dog

Mary Utter, Kirk N. Gelatt, Dennis E. Brooks, Gary W. Ellison

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

A retrobulbar malignant fibrous histiocytoma was diagnosed in a 12-year-old castrated male Keeshond dog. The mass was excised with a lateral orbitotomy and zygomatic arch resection. Vision was preserved in the affected eye, and no recurrence was noted up to 10 months postoperatively. Malignant fibrous histiocytoma originates from primitive mesenchymal stem cells. The malignant fibrous histiocytoma seen in our patient was most consistent with the storiform-pleomorphic variant, given the storiform arrangement of spindle cells, the presence of histiocytoid cells, and a mixed inflammatory infiltrate, without giant cells. The metastatic potential of malignant fibrous histiocytoma in general, and the storiform variant in particular, is unknown. Seventeen months later the dog was presented to the referring veterinarian with anorexia, diarrhea, weight loss and bilateral purulent nasal exudates. The dog was euthanized without necropsy.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalVeterinary Ophthalmology
Volume8
Issue number1
DOIs
StatePublished - Feb 22 2005
Externally publishedYes

Keywords

  • Dog
  • Malignant fibrous histiocytoma
  • Orbitotomy
  • Retrobulbar

ASJC Scopus subject areas

  • veterinary(all)

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