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May 22, 2026Veterinary SciencesOpen Access

The Characteristics of 924 Cutaneous Mast Cell Tumours in Dogs ≤ 3 Years of Age—With a Short Literature Review of Feline, Equine, and Human Proliferative Mast Cell Disorders

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Authors

JSJoshua SchwinnLaboklin (Germany)KTKatrin TörnerLaboklin (Germany)CBChristoph BeitzingerLaboklin (Germany)

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Implication

Retrospective analysis reveals prevalence and grading of mast cell tumours in dogs ≤ 3 years, indicating clinical implications.

Key Points

  • To analyze the characteristics of cutaneous mast cell tumors in dogs aged three years or younger, comparing various breeds and tumor grades.
  • Retrospective analysis of datasets from 849 dogs aged ≤ 3 years.
  • Consideration of breed, sex, tumor location, size, grading, and immunohistochemistry using IBM® SPSS Statistics.
  • Patnaik grading and Kiupel grading were utilized to classify tumors.
  • Danish–Swedish farm dogs showed the highest odds ratio (OR: 8.11, 95% CI 3.33–19.77, p < 0.001) for cutaneous mast cell tumors.
  • The majority of tumors were grade II (62.8%) while grade I tumors were more common in Boxers (48.0%, p < 0.05) and Pugs (67.9%, p < 0.01).
  • Only 3% of tumors were classified as high grade according to Kiupel grading.

Cite This Study

Schwinn et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff3ffd674f7c03778d01fhttps://doi.org/10.3390/vetsci13050500
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Also Consider

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  1. 1The 2-tier grading system identifies canine cutaneous and/or subcutaneous mast cell tumors with aggressive biological behavior regardless of growth model2024 · 13 citations
  2. 2European consensus document on mast cell tumours in dogs and cats2012 · 269 citations
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  5. 5Epidemiology of Breed-Related Mast Cell Tumour Occurrence and Prognostic Significance of Clinical Features in a Defined Population of Dogs in West-Central Italy2019 · 36 citations