[Multiple malignant tumours in gynaecology (author's transl)].

At the radiotherapy unit of the Ist Department of Gynaecology, University of Vienna, 8500 malignant tumours were observed in the years 1950-1975. Multiple primary neoplasms were recorded in 204 of these cases (2.4%). In 76 women (37.2%) the double neoplasms were situated in the genital region (local multiplicity), whilst in 128 cases the second neoplasm was situated in a distant organ, with cancer of the breast predominating (61 cases = 29.9%). A third of the multiple neoplasms were diagnosed simultaneously, whilst in the remaining two thirds a peak occurrence in the first year before or after the diagnosis of the gynaecological neoplasm is observed. Seven cases of triple neoplasms are presented as a separate group. Our observations are compared with the appropriate literature.