Journal of Exotic Pet Medicine
Volume 17, Issue 4 , Pages 295-299, October 2008

Chylothorax and Thymic Lymphoma in a Pet Rabbit (Oryctolagus cuniculus)

  • Anthony A. Pilny, DVM, Dip. ABVP (Avian)

      Affiliations

    • Department of Avian & Exotic Pet Medicine and Surgery, Animal Specialty Center, Yonkers, NY USA
    • Corresponding Author InformationAddress correspondence to: Anthony A. Pilny, DVM, Dip. ABVP (Avian), Department Head, Avian & Exotic Pet Medicine and Surgery, Animal Specialty Center, 9 Odell Plaza, Yonkers, NY 10701
    • ,
  • Drury Reavill, DVM, Dip. ABVP (Avian), Dip. ACVP

      Affiliations

    • Zoo/Exotic Pathology Service, Citrus Heights, CA USA

Abstract

A 6-year-old dwarf rabbit (Oryctolagus cuniculus) presented for chronic epiphora and tachypnea. Results of a complete blood count were unremarkable, and a plasma biochemical profile revealed elevated concentrations of blood glucose and alkaline phosphatase and decreased globulin and potassium levels. Thoracic radiography showed a mediastinal mass and significant pleural effusion. Thoracocentesis revealed a chylous effusion, which was confirmed with laboratory testing. Thoracic ultrasonography confirmed the presence of the mass, and fine-needle aspirates were obtained. The final diagnosis was thymic lymphoma and resulting chylothorax. Chylothorax should be considered in the differential diagnosis for rabbits with pleural effusion. Although it is a rare condition in rabbits, chylothorax likely occurs for the same reasons as in dogs and cats.

Key words: chylothorax, thymic lymphoma, mediastinal mass, dwarf rabbit, immunohistochemistry

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PII: S1557-5063(08)00125-0

doi:10.1053/j.jepm.2008.07.006

Journal of Exotic Pet Medicine
Volume 17, Issue 4 , Pages 295-299, October 2008

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