[Bilateral lobular in situ carcinoma discovered by sub-cutaneous mastectomy (author's transl)]

The authors relate the observation of a 42 years old woman with antecedents of mastodynia from several years and numerous operations for fibroadenoma. During the follow-up a sub-cutaneous mastectomy is realized owing to the discovery of clustered calcifications on mammographic study, which reveals a bilateral lobular in situ carcinoma. They talk over surgical procedures in this form of carcinoma.