Papillomavirus-associated diseases.
Abstract: This article reviews various aspects of 3 clinical disorders associated with papillomavirus in horses commonly known as classical viral papillomatosis, genital papillomas/papillomatosis, and aural plaques. Classical papillomatosis is usually asymptomatic and spontaneously resolves within 1 to 9 months; therefore, treatment is often not required. Genital papillomas/papillomatosis have not been reported to spontaneously resolve, and there is increasing evidence that genital papillomas may evolve to in situ or invasive squamous cell carcinomas. Horses with aural plaques may be asymptomatic or may present with signs of ear and head hypersensitivity.
Published by Elsevier Inc.
Publication Date: 2013-10-01 PubMed ID: 24267681DOI: 10.1016/j.cveq.2013.08.003Google Scholar: Lookup
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Summary
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The research article discusses three diseases in horses that are associated with papillomavirus: classical viral papillomatosis, genital papillomas/papillomatosis and aural plaques, shedding light on their symptoms, course of development, and respective treatments.
Classical Viral Papillomatosis
- The first disorder discussed in the paper is Classical Viral Papillomatosis. This disorder is usually asymptomatic, meaning that it does not show any obvious symptoms that could lead to its immediate detection.
- It’s termed “classical” because it often spontaneously resolves itself within 1 to 9 months without requiring any treatment, a characteristic commonly associated with this disease in horses.
- The lack of symptoms and its tendency to resolve on its own often results in vets not prescribing any treatment for it, unless it becomes chronic or leads to further complications.
Genital Papillomas/Papillomatosis
- The second disorder discussed is Genital Papillomas or Papillomatosis. Unlike Classical Viral Papillomatosis, genital papillomas do not resolve themselves and do not disappear without treatment, making them a more serious issue.
- Moreover, the authors have found a connection between genital papillomas and the breakout of serious carcinomas. Their studies reveal an increased likelihood of these papillomas evolving into in situ or invasive squamous cell carcinomas, which are a type of skin cancer.
- The authors, therefore, treat Genital Papillomas with more concern and emphasize proper treatment and observation of the same to avoid the potential risk of cancer.
Aural Plaques
- Lastly, the article discusses Aural Plaques which are a papillomavirus-associated disorder that affects the ear of the horse.
- Similar to the Classical Viral Papillomatosis, horses can remain asymptomatic even with aural plaques. However, horses might also show symptoms such as hypersensitivity in their head and ear regions, often leading to discomfort and agitation in the animal.
The paper provides a comprehensive study on these three papillomavirus-associated diseases, detailing their properties, symptoms, resolution and relation to other serious diseases. It concludes by emphasizing the serious risk posed by Genital Papillomas specifically, drawing attention to the potential progression to squamous cell carcinomas.
Cite This Article
APA
Torres SM, Koch SN.
(2013).
Papillomavirus-associated diseases.
Vet Clin North Am Equine Pract, 29(3), 643-655.
https://doi.org/10.1016/j.cveq.2013.08.003 Publication
Researcher Affiliations
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Veterinary Medical Center, University of Minnesota, C339, 1352 Boyd Avenue, St. Paul, MN 55108, USA. Electronic address: torre009@umn.edu.
MeSH Terms
- Animals
- Horse Diseases / pathology
- Horse Diseases / virology
- Horses
- Papilloma / pathology
- Papilloma / veterinary
- Papilloma / virology
- Papillomaviridae / isolation & purification
- Papillomavirus Infections / pathology
- Papillomavirus Infections / veterinary
- Papillomavirus Infections / virology
- Skin Neoplasms / veterinary
- Skin Neoplasms / virology
Citations
This article has been cited 11 times.- Harvey AM, Ramp D, Mellor DJ. Review of the Foundational Knowledge Required for Assessing Horse Welfare. Animals (Basel) 2022 Dec 1;12(23).
- Armando F, Godizzi F, Razzuoli E, Leonardi F, Angelone M, Corradi A, Meloni D, Ferrari L, Passeri B. Epithelial to Mesenchymal Transition (EMT) in a Laryngeal Squamous Cell Carcinoma of a Horse: Future Perspectives. Animals (Basel) 2020 Dec 7;10(12).
- Munday JS, Hardcastle MR, Sim M. Detection of a Putative Novel Papillomavirus Type within a Large Exophytic Papilloma on the Fetlock of a Horse. Pathogens 2020 Oct 5;9(10).
- Li CX, Chang WS, Mitsakos K, Rodger J, Holmes EC, Hudson BJ. Identification of a Novel Equine Papillomavirus in Semen from a Thoroughbred Stallion with a Penile Lesion. Viruses 2019 Aug 4;11(8).
- Mira J, Herman M, Zakia LS, Olivo G, Araújo JP Jr, Borges AS, Oliveira-Filho JP. Frequency of Equus caballus papillomavirus in equine aural plaques. J Vet Diagn Invest 2018 Jul;30(4):565-568.
- Dong J, Zhu W, Yamashita N, Chambers JK, Uchida K, Kuwano A, Haga T. Isolation of equine papillomavirus type 1 from racing horse in Japan. J Vet Med Sci 2017 Dec 6;79(12):1957-1959.
- Ewald PW, Swain Ewald HA. Infection and cancer in multicellular organisms. Philos Trans R Soc Lond B Biol Sci 2015 Jul 19;370(1673).
- Al-Hammadi MA. First report on equine papillomavirus type 1 in Arabian horses in Saudi Arabia: Clinical, histopathological, and molecular characterization. Open Vet J 2025 Apr;15(4):1798-1802.
- Tuomisto L, Virtanen J, Kegler K, Levanov L, Sukura A, Sironen T, Kareskoski M. Equus caballus papillomavirus type 2 (EcPV2)-associated benign penile lesions and squamous cell carcinomas. Vet Med Sci 2024 Jan;10(1):e1342.
- Munday JS, Knight CG, Luff JA. Papillomaviral skin diseases of humans, dogs, cats and horses: A comparative review. Part 2: Pre-neoplastic and neoplastic diseases. Vet J 2022 Oct;288:105898.
- Munday JS, Knight CG, Luff JA. Papillomaviral skin diseases of humans, dogs, cats and horses: A comparative review. Part 1: Papillomavirus biology and hyperplastic lesions. Vet J 2022 Oct;288:105897.
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