Hyperthecosis ovarii - eine tumorähnliche Veränderung bei androgenisierten Frauen*

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Abstract
Hyperthecosis has been repeatedly described as a disease entity separate from polycystic ovaries (PCO) as characterised by stromal luteinisation, obligatory virilism and purely ovarian androgen hypersecretion. This study compares the findings in patients with hyperthecosis (n = 10), PCO (n = 33) and androgen-secreting ovarian tumours (n = 7). It included selective ovarian-adrenal vein catheterisation with measurement of testosterone (T), dihydro-T, androstenedione, DHEA and its sulfate, 17 alpha-hydroxyprogesterone and cortisol before and after dexamethasone; determination of free T, oestrone, oestradiol and prolactin as well as LH and FSH before and after GnRH. In histologically proven hyperthecosis, signs of virilism were absent in 6 cases. A specific hormone profile could not be identified. Mixed ovarian-adrenal androgen hypersecretion was documented in 4 patients (purely ovarian: n = 6). Ovarian T output frequently fell within the tumour range (n = 4). It is concluded that the minor differences between hyperthecosis and PCO represent only variable manifestations of the same heterogeneous disturbance of androgen metabolism. However, it is of special clinical relevance to rule out a tumour in patients with hyperthecosis.

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