Ovarian tumours of Wolffian or allied nature: their place in ovarian oncology.

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Abstract
Two unusual ovarian tumours thought to be of Wolffian identity, one of them malignant, are described. They showed packed combinations of adenopapillary, tubular, trabecular and diffuse patterns, a sharp and generalised periodic acid-Schiff (PAS)-positive basement membrane and areas of elastic network. A review of published Wolffian tumours at various sites suggests that the prototypes of the two tumours occur chiefly in the cervix and broad ligament. The significance of Wolffian tumours and their differentiation from arrhenoblastoma and serous tumours is discussed.