In our study, clinicopathological features have no significant impact on necrosis complication in therapeutic NSMs. Positive retroareolar margin is the risk of necrosis. Further studies are required to avoid bias due to the different cancer treatments such as different reconstruction techniques and intraoperative radiation protocols. The correlation between breast morphology and NAC necrosis should also be investigated in the future.
Winged scapula is not an uncommon incidence after breast cancer surgery. Physiotherapy is related to the complete recovery. The severity or grading of the winged scapula and the recovery time after physiotherapy should be investigated in the future studies.
It has been reported that pure ductal carcinoma in situ of the breast has morphologic differences from the in situ component of the invasive ductal carcinoma, as well estrogen and progesterone receptors expression according to their cytokeratin expression. However, there is no data comparing other tumor markers without using the cytokeratin expression. The objective of this study is to compare the expression of estrogen receptor (ER) and progesterone receptor (PR), HER-2/neu, p53, and Ki67 between pure ductal in situ carcinoma (pDCIS) and the in situ component of the invasive ductal carcinoma (DCIS + IDC) of the breast, and the in situ component to the invasive component of the same tumor (DCIS + IDC). The immunohistochemistry expression of the tumor markers was performed in 45 cases of pDCIS and DCIS + IDC, yielding a total of 90 cases. Statistical analysis was carried out using Fisher exact test, having a P < 0.05, and Kappa index (kappa) to assess intratumoral concordance. In DCIS + IDC, the in situ and invasive components did not show a significant difference and Kappa index (kappa) was high (0.7-1) for positive and negative expression. ER and PR were significantly different between the pDCIS and DCIS + IDC (ER: 86.7 vs. 66.7% P = 0.04; PR: 80% vs. 55.6% P = 0.02). These findings suggest that in situ component of DCIS + IDC and pDCIS are distinct conditions.
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