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小叶原位癌是起源于乳腺小叶和终末导管的非浸润性乳腺癌,通常为多发性,可作为其他早期乳腺癌如浸润性癌或导管癌的一种成份出现。作者的目的是通过回顾性分析,了解在保守治疗的乳腺癌中,有、无小叶原位癌成份的两组病人的远期结果有无差别,从而明确有小叶原位癌成份是否适合保守手术治疗。在1992年以前共有1096例早期乳腺癌病人行保守手术加放疗,手术为乳腺区段切除加或不加腋窝淋巴结清扫,但不保证手术镜下切缘阴性,
Lobular carcinoma in situ is a non-invasive form of breast cancer that originates in the lobular and terminal ducts of the breast. It is usually multiple and can be used as a component of other early stage breast cancers such as invasive or ductal carcinomas. The purpose of the author is to analyze retrospectively the differences in long-term results between the two groups of patients with and without lobular carcinoma in situ in conservatively treated breast cancers, so as to determine whether the lobular carcinoma in situ is suitable for conservative surgery. treatment. Prior to 1992, a total of 1096 patients with early-stage breast cancer underwent conservative surgery and radiotherapy. The surgery was performed with or without axillary lymph node dissection. However, the surgical margin was not guaranteed to be negative.