Malignant Oestrogen-producing Teratoma in a Cat.

Y Machida1, M Michishita1, M Wada2

  • 1Laboratory of Veterinary Pathology, Faculty of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan.

Summary

A novel malignant ovarian teratoma was discovered in a cat, secreting high levels of estrogen. Aromatase-positive cells in the tumor were identified as the likely source of the excess estrogen.

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