Ovarian Teratoma in a Cow

Abstract

Ovarian teratoma was found in the right ovary of a 2-year-old cow. The ovary was 16.0×15.0×11.0cm in size with a large follicular cyst containing 1, 250ml of follicullar fluid. The teratoma was very hard and 7.5×3.5×3.0cm in size. It had various kinds of tissues, such as cartilage, pulmonary, bronchial and gland-like tissue, epidermis, and hair, in irregular arrangement. The left ovary was normal.