METASTATIC pancreatic carcinoma and bronchioloalveolar adenomas in an Egyptian fruit bat (Rousettus Aegyptiacus)

Andrew C. Cushing, Robert Ossiboff, Elizabeth Buckles, Noha Abou-Madi

Research output: Contribution to journalArticlepeer-review


An adult female, intact Egyptian fruit bat (Rousettus aegyptiacus) was presented for lethargy, anorexia, and markedly reduced flying activity. Physical and ultrasound examinations were suggestive of an abdominal mass with free fluid within the abdomen. Based on the poor and deteriorating clinical condition of the animal, euthanasia was elected. Gross necropsy revealed an irregular thickening at the root of the mesentery and a diffusely, dark-red liver with rounded hepatic margins. Histologic examination revealed extensive neoplastic effacement of the pancreas with invasion into the surrounding mesentery and mesenteric lymph nodes and metastatic spread to the liver. Based on the morphology of the neoplastic cells, the involvement of the pancreas, and immunohistochemistry, a diagnosis of metastatic pancreatic carcinoma was made. Additionally, two small neoplasms were identified in the lungs. These masses were distinct from the carcinoma, and their morphology was consistent with bronchioloalveolar adenomas. This is the first known report of either benign pulmonary lesions or pancreatic carcinomas in the order Chiroptera.

Original languageEnglish (US)
Pages (from-to)794-798
Number of pages5
JournalJournal of Zoo and Wildlife Medicine
Issue number3
StatePublished - Sep 1 2013


  • Bronchioloalveolar adenoma
  • Carcinoma
  • Egyptian fruit bat
  • Neoplasia
  • Pancreas
  • Rousettus aegyptiacus

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

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