Uterine Lesions in 32 Female Miniature Pet Pigs

M. R. S. Ilha; S. J. Newman; S. van Amstel; K. A. Fecteau; B. W. Rohrbach

doi:10.1177/0300985810382522

journal article Sep 03, 2010

Uterine Lesions in 32 Female Miniature Pet Pigs

M. R. S. Ilha S. J. Newman S. van Amstel K. A. Fecteau B. W. Rohrbach

Veterinary Pathology Vol. 47 No. 6 pp. 1071-1075 · SAGE Publications

View at Publisher Save 10.1177/0300985810382522

Abstract

Thirty-two 4-month-old to 19-year-old female miniature pet pigs were spayed. Uterine lesions were present in all except 8 pigs. The 24 remaining pigs had diffuse cystic endometrial hyperplasia, of which 14 had smooth muscle tumors, including leiomyomas and leiomyosarcomas, in the uterus or broad ligament. Nodular endometrial lesions—including adenocarcinomas, adenomas, and/or adenomyosis—were present in 10 pigs, 3 of which had concurrent smooth muscle tumors. Pyometra was present in 3 pigs. In uterine sections with cystic endometrial hyperplasia, adenomyosis, or adenomas, approximately 70% of epithelial nuclei expressed estrogen receptor and progesterone receptor immunohistochemically; in adenocarcinomas, expression was 20%. Regardless of malignancy, more than 50% of nuclei in smooth muscle tumors expressed estrogen receptor and progesterone receptor. Aging was associated with the development of uterine lesions in miniature pet pigs.

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Details

Published: Sep 03, 2010
Vol/Issue: 47(6)
Pages: 1071-1075
License: View

Authors

M

M. R. S. Ilha

Department of Pathobiology, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee

S

S. J. Newman

Department of Pathobiology, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee

S

S. van Amstel

Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee

K

K. A. Fecteau

Department of Comparative Medicine, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee

B

B. W. Rohrbach

Department of Comparative Medicine, College of Veterinary Medicine, University of Tennessee, Knoxville, Tennessee

Cite This Article

M. R. S. Ilha, S. J. Newman, S. van Amstel, et al. (2010). Uterine Lesions in 32 Female Miniature Pet Pigs. Veterinary Pathology, 47(6), 1071-1075. https://doi.org/10.1177/0300985810382522

Uterine Lesions in 32 Female Miniature Pet Pigs

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