“…1958;Lyon, Sinykin & McKelvey, 1963) and may occur from childhood to old age. The clinical symptoms associated with these tumours, namely precocious puberty, menstrual disturbances, or post-menopausal bleeding, are attributed to oestrogen secretion by the tumour, and high oestrogen concentrations have been reported in urine from patients with such tumours (Bruk, Dancaster & Jackson, 1960;Dorfman, 1960;Marsh, Savard, Baggett, Van Wyk & Talbert, 1962). Thecal cells are often present in the tumour and are sometimes prominent enough to justify the term 'granulosa-theca cell tumour'.…”