乳腺小管癌11例诊治分析

Diagnosis and treatment of tubular carcinoma of the breast：report of 11 cases

目的 探讨乳腺小管癌的临床病理特性、预后及诊治方法.方法 回顾分析北京协和医院收治的11例乳腺小管癌的临床病理资料.结果 乳腺小管癌发病率占同期收治所有乳腺癌的0.4%.11例患者8例可触及肿块.6例患者行乳腺癌改良根治术,其中1例行双侧乳腺癌改良根治术,4例行保乳手术,1例行乳房单纯切除＋前哨淋巴结活检术＋腋窝淋巴结清扫术.2例伴腋淋巴结转移.免疫组化检查显示雌激素受体（ER）阳性者6例,孕激素受体（PR）阳性者7例.术后3例行单纯化疗,2例行单纯内分泌治疗,其他6例患者行联合辅助治疗.术后中位随访时间为34个月（1个月～7年）,所有病例均无复发、转移或死亡.结论 乳腺小管癌恶性程度低,选择适当的尽量减少创伤的手术方式和辅助治疗对于改善患者生存,提高生活质量具有重要意义.

Objective To explore the clinical characteristics,pathology,prognosis and proper treatment of tubular carcinoma of the breast. Methods The clinical data of 11 patients with tubular carcinoma of the breast treated in Peking Union Medical College Hospital were retrospectively analyzed.Results The incidence of tubular carcinoma of the breast account for 0.4% of the total breast cancer cases.Eight out of 11 cases had palpable painless lumps in the breast.Six cases received modified radical mastectomy,among which one patient received modified radical mastectomy of both sides.Four patients underwent breast conservation therapy.Sentinel lymph nodes biopsy was conducted in 2 patients.By immunohistochemistry ER was positive in 6 cases,PR was positive in 7 cases,2 cases were axiilary lymph node positive.Three patients received chemotherapy.Two patients received endocrine therapy（tamoxifen or aromatase inhibitor）.Other patients received combined therapy including radiation,endocrine therapy and chemotherapy.All the patients have been followed up from 1 month to 7 years and within the period there is no recurrence,metastasis and death. Conclusion Tubulax carcinoma of the breast is a kind of low malignant tumor.Proper surgery and adjuvant therapy is important to improve survival and the quality of life.