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Small intestinal carcinoma in cattle.

A C Johnstone1, M R Alley, R D Jolly

  • 1Department of Veterinary Pathology and Public Health, Massey University, Palmerston North, New Zealand.

New Zealand Veterinary Journal
|September 1, 1983
PubMed
Summary
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Small intestinal carcinoma in cattle shares similarities with sheep and human colorectal cancers. Further research into environmental factors is needed due to higher prevalence in New Zealand.

Area of Science:

  • Veterinary Pathology
  • Oncology
  • Comparative Pathology

Background:

  • Carcinoma of the small intestine is a significant neoplastic disease in various animal species.
  • Previous studies have documented small intestinal carcinoma in sheep and colorectal carcinoma in humans.
  • Geographical variations in cancer prevalence suggest potential environmental influences.

Purpose of the Study:

  • To describe the pathology of small intestinal carcinoma in adult cattle.
  • To compare the observed lesions with those in sheep and humans.
  • To investigate potential common environmental factors contributing to cancer prevalence.

Main Methods:

  • Pathological examination of six adult cattle with small intestinal carcinoma.
  • Histopathological analysis of tumor tissues, focusing on stromal characteristics and metastatic potential.

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  • Comparative analysis of findings with existing literature on ovine and human carcinomas.

    • Main Results:

    • Lesions in cattle were similar to those in sheep, with notable differences in stromal fibrosis and metastatic tendency.
    • A higher prevalence of small intestinal carcinoma in New Zealand cattle was observed, mirroring trends in ovine and human cancers.
    • Findings suggest a potential shared etiology or risk factors across species.

    Conclusions:

    • Small intestinal carcinoma in cattle exhibits distinct pathological features compared to sheep.
    • The elevated prevalence in New Zealand warrants further investigation into local environmental factors.
    • Understanding these factors could inform strategies for cancer prevention in both ruminants and humans.