乳腺導(dǎo)管原位癌微浸潤(rùn)的危險(xiǎn)因素分析
[Abstract]:Background & objective Breast cancer is the most common malignant tumor in women. As a non-invasive tumor, ductal carcinoma in situ accounts for about 20% to 30% of newly diagnosed breast cancer in Europe and America, which may be related to the wide application of mammography. The concept of microinvasion of breast cancer was first proposed by Lagios, and the tumor histological classification of the (American Joint Committee on Cancer Federation defines microinfiltration as the presence of one or more distinct and independent tumor cell infiltrations in the stroma of the breast. The maximum diameter of each lesion was less than 1 mm. At present, for the patients with breast ductal carcinoma in situ (DCIS) and breast ductal carcinoma in situ (DCIS) with suspected infiltration, it is an urgent problem to estimate the infiltration and how to make appropriate treatment plan. Although some researchers have analyzed these problems in recent years, the conclusion is still controversial. A retrospective study was carried out in 138 patients with breast ductal carcinoma in situ and breast ductal carcinoma in situ with microinfiltration in the first affiliated Hospital of Zhengzhou University from 2008 to 2012. The risk factors of interstitial invasion of breast ductal carcinoma in situ were analyzed by summarizing the clinical data before and after operation, and the influencing factors of distant metastasis in patients with microinvasion of breast ductal carcinoma in situ were discussed. Participants and methods from April 2008 to August 2012, 138 patients with breast ductal carcinoma in situ and breast ductal carcinoma in situ with microinvasion were collected from the first affiliated Hospital of Zhengzhou University. The patients were divided into breast ductal carcinoma in situ group (63 cases) and breast ductal carcinoma in situ group (75 cases). Patients with bilateral breast cancer who have received radiotherapy and chemotherapy for breast cancer or other malignant tumors, except those who have undergone surgical resection of primary masses and previous excision of malignant breast tumors. Age, menstrual status, tumor size, multiple tumors, malignant calcification, Paget's 's disease, histopathological classification, immunohistochemical markers (ERPER-2Ki-67, etc.), adjuvant treatment, etc. The status of axillary lymph nodes, recurrence or metastasis of breast ductal carcinoma in situ were analyzed by computer. The risk factors of microinvasion of breast ductal carcinoma in situ were analyzed, and the influencing factors of distant metastasis were discussed. Results the presence of multiple lesions in patients with DCIS was related to the occurrence of interstitial microinvasion (P0. 005). In DCIS-Mi group PR (P0. 004) and Ki-67 (P0. 012) showed high expression. The median follow-up time of DCIS-Mi group was 62 months (3-90 months) with axillary lymph node metastasis. There were 3 cases with distant metastasis, 2 cases with bone metastasis and 1 case with multiple liver metastasis. The survival rate of patients with tumor diameter less than 3.5cm was higher than that of patients with tumor diameter greater than or equal to 3.5cm (蠂 2 + 11.88% P0. 003). Conclusion 1. Patients with ductal carcinoma in situ with multiple suspected lesions or without suspected invasion have a high probability of microinvasion. Patients with tumor diameter smaller than 3.5cm may have a higher survival rate, but no association with local recurrence or metastasis of breast ductal carcinoma in situ.
【學(xué)位授予單位】:鄭州大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:R737.9
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