Lobular carcinoma in situ occurring in adenolipoma of the breast. Report of a case.

A case of malignant transformation in adenolipoma of the breast is presented. It is generally agreed that adenolipomas are benign lesions, but it must be kept in mind that a certain risk of malignant transformation exists due to the glandular tissue content. In order to establish the correct diagnosis high quality films and close collaboration between radiologist, breast surgeon and pathologist are important.