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Canine mast cell tumors.

D A O'Keefe1

  • 1Department of Veterinary Clinical Medicine, University of Illinois College of Veterinary Medicine, Urbana.

The Veterinary Clinics of North America. Small Animal Practice
|July 1, 1990
PubMed
Summary
This summary is machine-generated.

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Canine mast cell tumors (MCTs) are common skin tumors with unpredictable behavior. All MCTs require careful management due to their potential for malignancy and recurrence, often necessitating surgery, radiation, or chemotherapy.

Area of Science:

  • Veterinary Oncology
  • Canine Pathology

Background:

  • Mast cell tumors (MCTs) are prevalent in dogs, primarily affecting skin and subcutaneous tissues.
  • Approximately 50% of canine MCTs exhibit malignant behavior, making prediction challenging.
  • Current methods like clinical features and histologic grading offer limited accuracy in predicting individual tumor behavior.

Purpose of the Study:

  • To summarize the understanding of canine mast cell tumors.
  • To highlight the variability in biologic behavior and the challenges in predicting malignancy.
  • To outline current therapeutic strategies for canine MCTs.

Main Methods:

  • Review of existing literature on canine mast cell tumors.
  • Analysis of clinical and histologic factors influencing MCT behavior.

Related Experiment Videos

  • Evaluation of treatment outcomes for surgical, radiation, and chemotherapeutic interventions.

    • Main Results:

    • Canine MCTs present a wide spectrum of biologic activity, with roughly half being malignant.
    • Despite diagnostic aids, predicting the behavior of individual MCTs remains difficult.
    • Wide surgical excision is standard, but local recurrence rates approach 50%.

    Conclusions:

    • All canine MCTs should be treated as potentially malignant due to unpredictable behavior.
    • Recurrent, nonresectable, or metastatic MCTs warrant further treatment with radiation and/or chemotherapy.
    • Chemotherapy may play a role in managing undifferentiated tumors to prevent recurrence and metastasis.