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Squamous cell carcinoma in a capybara (Hydrochoerus hydrochaeris).

Hamano T, Terasawa F, Tachikawa Y, Murai A, Mori T, El-Dakhly K, Sakai H, Yanai T - J. Vet. Med. Sci. (2014)

Bottom Line: A 4-year and 2-month-old male capybara (Hydrochoerus hydrochaeris) was diagnosed with squamous cell carcinoma on the buttocks after chronic recurrent dermatosis.Computed tomography showed a dense soft tissue mass with indistinct borders at the buttocks.Histological examination of the tumor revealed islands of invasive squamous epithelial tumor cells with a severe desmoplastic reaction.

View Article: PubMed Central - PubMed

Affiliation: Laboratory of Veterinary Pathology, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.

ABSTRACT
A 4-year and 2-month-old male capybara (Hydrochoerus hydrochaeris) was diagnosed with squamous cell carcinoma on the buttocks after chronic recurrent dermatosis. The capybara was euthanized, examined by computed tomography and necropsied; the tumor was examined histologically. Computed tomography showed a dense soft tissue mass with indistinct borders at the buttocks. Histological examination of the tumor revealed islands of invasive squamous epithelial tumor cells with a severe desmoplastic reaction. Based on the pathological findings, the mass was diagnosed as a squamous cell carcinoma. This is the first study to report squamous cell carcinoma in a capybara.

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Related in: MedlinePlus

Macroscopic photographs of a capybara diagnosed with a squamous cell carcinoma on thebuttocks. A large mass is present on the buttocks and can be correlated to the massidentified on CT.
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fig_002: Macroscopic photographs of a capybara diagnosed with a squamous cell carcinoma on thebuttocks. A large mass is present on the buttocks and can be correlated to the massidentified on CT.

Mentions: On necropsy, a large mass measuring approximately 20 × 10 × 9.5 cm in diameter was found atthe buttocks (Fig. 2Fig. 2.


Squamous cell carcinoma in a capybara (Hydrochoerus hydrochaeris).

Hamano T, Terasawa F, Tachikawa Y, Murai A, Mori T, El-Dakhly K, Sakai H, Yanai T - J. Vet. Med. Sci. (2014)

Macroscopic photographs of a capybara diagnosed with a squamous cell carcinoma on thebuttocks. A large mass is present on the buttocks and can be correlated to the massidentified on CT.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4197163&req=5

fig_002: Macroscopic photographs of a capybara diagnosed with a squamous cell carcinoma on thebuttocks. A large mass is present on the buttocks and can be correlated to the massidentified on CT.
Mentions: On necropsy, a large mass measuring approximately 20 × 10 × 9.5 cm in diameter was found atthe buttocks (Fig. 2Fig. 2.

Bottom Line: A 4-year and 2-month-old male capybara (Hydrochoerus hydrochaeris) was diagnosed with squamous cell carcinoma on the buttocks after chronic recurrent dermatosis.Computed tomography showed a dense soft tissue mass with indistinct borders at the buttocks.Histological examination of the tumor revealed islands of invasive squamous epithelial tumor cells with a severe desmoplastic reaction.

View Article: PubMed Central - PubMed

Affiliation: Laboratory of Veterinary Pathology, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.

ABSTRACT
A 4-year and 2-month-old male capybara (Hydrochoerus hydrochaeris) was diagnosed with squamous cell carcinoma on the buttocks after chronic recurrent dermatosis. The capybara was euthanized, examined by computed tomography and necropsied; the tumor was examined histologically. Computed tomography showed a dense soft tissue mass with indistinct borders at the buttocks. Histological examination of the tumor revealed islands of invasive squamous epithelial tumor cells with a severe desmoplastic reaction. Based on the pathological findings, the mass was diagnosed as a squamous cell carcinoma. This is the first study to report squamous cell carcinoma in a capybara.

Show MeSH
Related in: MedlinePlus