[Malignant tumour of adrenal with feminizing syndrome and primary hyperaldosteronism (author's transl)].

Feminizing tumour of adrenals are rare. Gynecomasty, abdominal tumour are the more frequently observed symptoms. The described case in a 38 years aged man is of special interest because of association with primary hyperaldosteronism. Studies in vivo and in vitro are reported. In vitro studies shown a high 18 hydroxylation biosynthetic activity of tumoral fragment and a great synthesis of polar phenolsteroids with testosterone as precurseurs.