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Case Reports
. 2005 Jun;46(6):524-7.

Endometrial polyps in 2 African pygmy hedgehogs

Irene D Phillips  1 , Jacqueline J Taylor, Andrew L Allen
Affiliations
Case Reports

Endometrial polyps in 2 African pygmy hedgehogs

Irene D Phillips et al. Can Vet J. 2005 Jun.

Abstract
in English, French

Reports of spontaneously occurring endometrial polyps in animals are rare and have only involved a few species. This report is intended to advise veterinarians that older African pygmy hedgehogs may develop endometrial polyps and that these lesions can be a cause of bloody vaginal discharge, sometimes interpreted as hematuria.

Résumé — Polypes endométriaux chez 2 hérissons pygmés d’Afrique. Les observations sur les polypes endométriaux se rencontrant spontanément chez les animaux sont rares et ne concernent que quelques espèces. Ce rapport est destiné à renseigner les vétérinaires sur le développement de polypes endométriaux chez les vieux hérissons pygmés d’Afrique. Ces lésions peuvent causer un écoulement vaginal teinté de sang et peuvent parfois être confondus avec de l’hématurie.

(Traduit par Docteur André Blouin)

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Figures

Figure 1
Figure 1
The formalin-fixed uterus from a 6-year-old African pygmy hedgehog. The uterus has been incised to reveal a 2.25 cm long by 0.5 cm diameter, dark, soft tissue mass (long arrow) that was present in the lumen and attached to the endometrium by a thin stalk (short arrow).
Figure 2
Figure 2
The uterus and urinary bladder from a 6-year-old African pygmy hedgehog. The distal aspect of the left horn and the proximal aspect of the right horn are moderately enlarged and reddened. Legend: a — left horn; b — right horn; c — body; d — urinary bladder.
Figure 3
Figure 3
The same uterus as pictured in Figure 2. Much of the uterine wall has been removed to reveal 2, approximately 1.5 cm long by 0.5 diameter, curved, dark red, soft tissue masses (long arrows), each attached to the endometrium by a thin stalk (short arrows).
Figure 4
Figure 4
The histologic appearance of the mass (pictured in Figure 1) present in the lumen of the uterus of a 6-year-old African Pygmy Hedgehog. The blue staining fibers are collagen. Arrows point to necrotic glandular structures. Masson’s trichrome stain. Bar = 100 μm.
Figure 5
Figure 5
Endometrial glands arranged in clusters or nests in the uterus (pictured in Figure 1) of a 6-year-old African pygmy hedgehog. Also note that several glands are dilated. Hematoxylin & eosin stain. Bar = 250 μm.
Figure 6
Figure 6
Endometrial glands in the uterus (pictured in Figure 1) of a 6-year-old African pygmy hedgehog. The endometrial gland on the right is composed of densely packed, columnar epithelial cells with increased basophilia, interpreted as hyperplasia. The endometrial gland on the left is more typical in appearance of most of the endometrial glands. Hematoxylin & eosin stain. Bar = 50 μm.
Figure 7
Figure 7
Dilated and cystic endometrial glands in the uterus (pictured in Figure 1) of a 6-year-old African pygmy hedgehog. Hematoxylin & eosin stain. Bar = 500 μm.
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