[The treatment of carcinoma in situ of the breast (author's transl)].

The management of 63 carcinomas in situ of the breast is reviewed. These 63 carcinomas in situ occurred among 575 carcinomas of the breast from 1969 to 1973. The treatment consisted of simple mastectomy. In cases of early invasion the axilla was explored by palpation of the adipose tissue for enlarged lymph nodes. None were found and no extirpation of the axillary nodes was carried out. Of 59 patients with carcinoma in situ of the breast, 3 later had a local recurrence. Two patients later died of distant metastases. In view of these inadequate results of simple mastectomy it is recommended that a modified radical mastectomy should also be done in all cases of carcinoma in situ of the breast.