These are histopathology sections from an ovarian mass discovered at the time of spay of a 1-year-old Labrador Retriever.
Final Diagnosis
Ovarian teratoma
Discussion
Ovarian teratomas are uncommon primary ovarian tumours that are derived from two or more germinal cell layers; in this case a neural and epithelial component are identified. Most teratomas are benign and malignant forms are rare.
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