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Related Experiment Videos

Cutaneous lymphosarcoma and leukemia in a cat

R O Schick1, G F Murphy, M H Goldschmidt

  • 1Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia 19104.

Journal of the American Veterinary Medical Association
|October 15, 1993
PubMed
Summary

A cat diagnosed with cutaneous lymphosarcoma and leukemia presented with symptoms mimicking human Sézary syndrome. This condition should be considered in cats exhibiting chronic pruritic exfoliative dermatoses.

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Area of Science:

  • Veterinary Dermatology
  • Comparative Oncology
  • Hematology

Background:

  • Cutaneous lymphosarcoma and leukemia are forms of cancer affecting the skin and blood in felines.
  • Sézary syndrome is a specific type of cutaneous T-cell lymphoma in humans, characterized by exfoliative erythroderma and circulating malignant T-cells (Sézary cells).
  • Understanding feline hematologic and dermatologic conditions aids in comparative disease research.

Observation:

  • A feline patient exhibited pruritus, exfoliative dermatosis, weight loss, and lymphadenopathy.
  • Clinical signs in the cat were notably similar to those observed in human Sézary syndrome.
  • Dermatopathology and ultrastructural analysis of circulating cells were performed.

Findings:

  • Dermatopathologic findings confirmed cutaneous lymphosarcoma and leukemia.

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  • Ultrastructural morphology of circulating cells and dermal infiltrate were consistent with Sézary cells.
  • The feline condition presented a strong parallel to human Sézary syndrome.

    • Implications:

    • Cutaneous lymphosarcoma and leukemia should be included in the differential diagnosis for cats with chronic pruritic and exfoliative skin diseases.
    • This case highlights the potential for comparative studies between feline and human cutaneous T-cell lymphomas.
    • Recognizing these clinical and pathological similarities can improve feline dermatologic diagnostics and treatment strategies.