GRANULOSA CELL TUMOUR OF THE OVARY IN A VIRGIN HEIFER

Abstract
SUMMARY A case is described of a granulosa cell tumour of the ovary in a virgin heifer, which was showing signs of nymphomania. The cyst fluid from the tumour contained progesterone, 20β-hydroxypregn-4-en-3-one, possibly a trace of 17α-hydroxyprogesterone, and oestradiol-17β. The progesterone: oestradiol-17β ratio was only 6:1, and yet the tumour appeared to have caused normal mammary development and lactation.

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