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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/111105
Breastfeeding and Immunohistochemical Expression of ki-67, p53 and BCL2 in Infiltrating Lobular Breast Carcinoma
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Background/Aim: Invasive lobular breast carcinoma is the second most common type of breast cancer after invasive ductal carcinoma. According to the American Cancer Society, more than 180,000 women in the United States find out they have invasive breast cancer each year. Personal history of breast cancer and certain changes in the breast are correlated with an increased breast cancer risk. The aim of this work was to analyze breastfeeding in patients with infil- trating lobular breast carcinoma, in relation with: 1) clinicopathological parameters, 2) hor- monal receptors and 3) tissue-based tumor markers. Materials and Methods: The study included 80 women with ILC, 46 of which had breastfeed their children. Analyzed parameters were: age, tumor size, axillary lymph node (N), distant metastasis (M), histologi- cal grade (HG), estrogen receptor (ER), progesterone receptor (PR), androgen receptor (AR), Ki-67, p53 and BCL2. Results : ILC of non-lactating women showed a larger (p = 0.009), lymph node involvement (p = 0.051) and distant metastasis (p = 0.060). They were also more proliferative tumors mea- sured by Ki-67 (p = 0.053). Breastfeeding history did not influence the subsequent behavior of the tumor regardless of histological subtype. Conclusion: Lactation seems to influence the biological characteristics of ILC defining a subgroup with more tumor size, axillary lymph node involvement, distant metastasis and higher prolifera- tion measured by ki-67 expression.
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GONZÁLEZ SISTAL, Ángel, BALTASAR SÁNCHEZ, Alicia, MENÉNDEZ, Primitiva, IGNACIO ARIAS, Jose, RUIBAL MORELL, Álvaro. Breastfeeding and Immunohistochemical Expression of ki-67, p53 and BCL2 in Infiltrating Lobular Breast Carcinoma. _PLoS One_. 2016. Vol. 11, núm. 3, pàgs. e0151093. [consulta: 21 de gener de 2026]. ISSN: 1932-6203. [Disponible a: https://hdl.handle.net/2445/111105]