[Reports on breast disease in the Zentralblatts für Gynäkologie in the first half of the 20th century].

We report on papers concerning in topic "Diseases of the breast", which were published in the Zentralblatt für Gynäkologie during the first half of the 20th century. Only 26 publications about senologic problems were found in 44 years. Papers about the mammary theory of eclampsia, mastitis, plastic operations and breast cancer are reported.