Lid basaliomas with malignant courses (author's transl)]

3 cases of lid basalioma with malignant course are described - in the first case with destruction of the eye-lids, in the second destruction of the orbit and nearby sinuses, and in the third with infiltration of the brain. Hence the necessity of early active treatment is shown. The diagnosis of the tumor and the degree of infiltration into healthy tissue must be made histologically - this is as important as the life-long follow-up of tumor patients.