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Journal of the American Veterinary Medical Association1977; 170(2); 150-152;

Neoplasms of Equidae.

Abstract: In a retrospective study of neoplasms in Equidae pre;ented to the Animal Disease Diagnostic Laboratory, Purdue University, from Jan 1, 1970, to Dec 31, 1974, data were compiled on numbers and anatomic sites of neoplasms as well as on age, sex, and breed of subjects from which the neoplasms were taken. During this 5-year period, 21 neoplasms were diagnosed from 687 equine necropsies (3.1%) and 215 from 635 biopsies (33.9%), totaling 236 neoplasms from 1,322 cases (17.9%). The most common neoplasms were sarcoids (43.6%) and squamous cell carcinomas (24.6%). Papillomas (5.5%), nerve sheath tumors (4.2%), melanomas (3.8%), lipomas (3.0%), granulosa cell tumors (2.5%), fibromas (2.1%), cholesteatomas (1.3%), and lymphosarcomas (1.3%) were less common.
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Publication Date: 1977-01-15 PubMed ID: 576219
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research paper is a review of a study conducted on neoplasms (cancerous tumors) in Equidae (a family of mammals that includes horses and zebras) at Purdue University’s Animal Disease Diagnostic Laboratory from 1970 to 1974. The study examines the frequency, type, and location of these tumors as well as the age, breed, and sex of the subjects.

Summary of the Study

The research conducted was a retrospective study, examining previous cases of neoplasms or cancerous tumors in the Equidae family. The cases were pulled from the Animal Disease Diagnostic Laboratory at Purdue University during a five-year period from 1970 to 1974.

  • The study sought to examine the number of neoplasms, their anatomic locations, and the related information about the animals. Data like the animal’s age, sex, and breed were all compiled for an in-depth analysis.

Findings of the Research

The findings were based on 1322 cases.

  • During the five-year study, of the 687 equine (horse) necropsies (post-mortem examinations) conducted, 21 neoplasms were found, representing 3.1% of the cases.
  • On the other hand, of the 635 biopsies conducted, 215 neoplasms were discovered, a significantly higher percentage at 33.9%.
  • In total, the study recorded 236 neoplasms from 1322 cases, an overall percentage of 17.9%.

Common Types of Neoplasms

The most common neoplasms diagnosed in these Equidae subjects were sarcoids and squamous cell carcinomas.

  • Sarcoids, making up 43.6% of the neoplasms, are a type of skin tumor that is the most common form of cancer in horses.
  • Squamous cell carcinomas, representing 24.6% of the neoplasms, are a type of skin cancer that arises from the squamous cells that make up the outer layer of the skin.

Less Frequent Types of Neoplasms

The study also found a range of less common neoplasms.

  • Papillomas (5.5%) are a type of benign tumor that causes wart-like growths.
  • Nerve sheath tumors (4.2%) are tumors that develop in the protective lining of the nerves.
  • Melanomas (3.8%) are a type of tumor often associated with pigmented cells.
  • Lipomas (3%) are benign tumors made from fatty tissues.
  • Granulosa cell tumors (2.5%) are a type of ovarian tumor.
  • Fibromas (2.1%) are benign tumors composed of fibrous or connective tissue.
  • Cholesteatomas (1.3%) and lymphosarcomas (1.3%) were the least common of the neoplasms.

Cite This Article

APA
Sundberg JP, Burnstein T, Page EH, Kirkham WW, Robinson FR. (1977). Neoplasms of Equidae. J Am Vet Med Assoc, 170(2), 150-152.

Publication

Journal of the American Veterinary Medical Association
ISSN: 0003-1488
NlmUniqueID: 7503067
Country: United States
Language: English
Volume: 170
Issue: 2
Pages: 150-152

Researcher Affiliations

Sundberg, J P
    Burnstein, T
      Page, E H
        Kirkham, W W
          Robinson, F R

            MeSH Terms

            • Animals
            • Carcinoma, Squamous Cell / epidemiology
            • Carcinoma, Squamous Cell / veterinary
            • Cholesteatoma / epidemiology
            • Cholesteatoma / veterinary
            • Female
            • Horse Diseases / epidemiology
            • Horses
            • Lymphoma, Non-Hodgkin / epidemiology
            • Lymphoma, Non-Hodgkin / veterinary
            • Male
            • Melanoma / epidemiology
            • Melanoma / veterinary
            • Neoplasms / veterinary
            • Papilloma / epidemiology
            • Papilloma / veterinary
            • Perissodactyla
            • Skin Neoplasms / epidemiology
            • Skin Neoplasms / veterinary

            Citations

            This article has been cited 22 times.
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