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Large granular intestinal lymphosarcoma and leukemia in a dog
1Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan. liz.snead@usask.ca
The Canadian Veterinary Journal = La Revue Veterinaire Canadienne
|September 11, 2007
Summary
A rare large granular lymphocyte (LGL) tumor was diagnosed in an Irish wolfhound, causing protein-losing enteropathy and thrombocytopenia. This aggressive canine cancer may originate from natural killer cells, similar to human LGL tumors.
Area of Science:
- Veterinary Oncology
- Immunology
- Gastroenterology
Background:
- Large granular lymphocyte (LGL) tumors are rare neoplasms with aggressive clinical behavior in humans.
- Protein-losing enteropathy and thrombocytopenia are serious conditions that can be caused by various underlying diseases.
Observation:
- A case of a rare large granular lymphocyte (LGL) tumor was diagnosed in an Irish wolfhound.
- The tumor caused significant clinical signs including protein-losing enteropathy and thrombocytopenia.
- The canine patient exhibited an aggressive clinical course.
Findings:
- Immunophenotyping of the LGL tumor indicated a natural killer (NK) cell origin.
- The tumor's aggressive nature in this dog mirrors that seen in human LGL tumors.
Implications:
- This case highlights the potential for aggressive LGL tumors in dogs, possibly of NK cell origin.
- Understanding the immunophenotype of canine LGL tumors can aid in diagnosis and treatment strategies.
- Further research into canine LGL tumors may offer comparative insights with human counterparts.
