Pleural effusion secondary to thoracic metastatic mammary adenocarcinoma in a mare.

J. H. Foreman, J. P. Weidner, B. W. Parry, A. Hargis

Research output: Contribution to journalArticlepeer-review

Abstract

A 17-year-old Quarter Horse mare was examined nearly 3 years after excision and cryotherapy of a papillary mammary gland adenocarcinoma. The mare had been used for pleasure riding since surgery, but had recently developed progressive dyspnea. The mare had clinical evidence of pleural effusion, but died before further clinical examination and treatment were instituted. Necropsy revealed deep mammary masses with similar nodules in the deep inguinal, renal, and mediastinal lymph nodes and in the lungs, pericardium, visceral and parietal pleurae, and left ovary. The masses were identified as papillary mammary gland adenocarcinoma. Large volumes of free pleural and peritoneal fluid were detected. The pleural fluid contained similar neoplastic cells that could have been readily detected by exfoliative cytologic examination had the mare survived.

Original languageEnglish (US)
Pages (from-to)1193-1195
Number of pages3
JournalJournal of the American Veterinary Medical Association
Volume197
Issue number9
StatePublished - Nov 1 1990
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)

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