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1.
文章 在 中文 | WPRIM | ID: wpr-1027420

摘要

Objective:To investigate the high-risk factors affecting the prognosis of patients with pT 1-2N 1M 0 after mastectomy, establish a nomogram prediction model, perform risk stratification, and screen the radiotherapy benefit populations. Methods:Clinical data of 936 patients with pT 1-2N 1M 0 breast cancer undergoing mastectomy in the Fourth Hospital of Hebei Medical University from January 2010 to December 2016 were retrospectively analyzed and 908 cases had complete follow-up data. They were divided into the radiotherapy (RT) group ( n=583) and non radiotherapy (NRT) group ( n=325) according to the radiotherapy. After propensity score matching (PSM) was performed 1 vs. 1, 298 cases were assigned into the RT group and 298 in the NRT group. Overall survival (OS) and disease-free survival (DFS) were compared between two groups using log-rank test. Nomogram prediction model was established, the survival differences were compared among different risk groups, and the radiotherapy benefit populations were screened. Results:Univariate analysis showed that the 5- and 8-year OS and DFS in the RT group were significantly better than those in the NRT group (both P<0.001). Multivariate analysis showed that age, tumor quadrant, number of lymph node metastases, T staging, and Ki-67 level were the independent prognostic factors for OS. Age, tumor quadrant, and T staging were the independent prognostic factors for DFS. The OS nomogram analysis showed that the OS of patients in the high-risk group was significantly improved by post-mastectomy radiotherapy (PMRT) ( P=0.001), while PMRT did not show an advantage in the low- and medium-risk groups ( P=0.057, P=0.099). The DFS nomogram analysis showed that DFS was significantly improved by PMRT in patients in the medium- and high-risk groups ( P=0.036, P=0.001), whereas the benefits from PMRT were not significant in the low-risk group ( P=0.475). Conclusions:For patients with pT 1-2N 1M 0 breast cancer after mastectomy, age ≤ 40 years, tumor located in the inner quadrant or central area, T 2 staging, 2-3 lymph node metastases, Ki-67>30% are the high-risk factors affecting clinical prognosis. The nomogram prediction model can screen the populations that can benefit from PMRT, providing reference for clinical decision-making.

2.
文章 在 中文 | WPRIM | ID: wpr-932641

摘要

Objective:To analyze the prognosis and influencing factors of different radiotherapy modes in patients with brain metastases from non-small cell lung cancer (NSCLC), and to explore the best benefit population with radiotherapy boost under different prognostic scores.Methods:634 patients with brain metastasis from NSCLC admitted to the Fourth Hospital of Hebei Medical University from 2013 to 2015 were analyzed retrospectively. According to different radiotherapy modes, they were divided into three groups: no radiotherapy group ( n=330), whole-brain radiotherapy group (WBRT)( n=127) and whole-brain radiotherapy combined with boost group (WBRT+ boost)( n=177). The intracranial progression-free survival (iPFS) and overall survival (OS) were calculated by Kaplan-Meier method. The multivariate prognostic factors were analyzed by the Cox models. Results:The median iPFS and OS of all patients were 6.9 months and 9.0 months, respectively. In the no radiotherapy, WBRT and WBRT+ boost groups, the 1-year iPFS was 15.1%, 16.3% and 40.2%( P=0.002), and the 1-year OS was 33.7%, 38.2% and 48.1%( P<0.001), respectively. Multivariate survival analysis demonstrated that different radiotherapy modes were the independent factors affecting iPFS and OS. Subgroup analysis revealed that for patients with 1-3 brain metastases, the 1-year OS and iPFS in the WBRT+ boost group were better than those of WBRT alone ( P=0.026, P=0.044) when GPA score was 2.5-4.0; the 1-year OS and iPFSin the WBRT+ boost group were better than those of WBRT alone ( P=0.036, P=0.049) when there was no targeted therapy; for patients with ≥4 brain metastases, the 1-year iPFS in the WBRT+ boost group was better than that of WBRT alone ( P=0.019, P=0.012) when GPA score was 2.5-4.0 and there was no targeted therapy. When the GPA score was 0-2 or there was targeted therapy, the 1-year OS and iPFS in the WBRT+ boost group were better than those of WBRT alone, but the difference was not statistically significant (all P>0.05). Conclusions:Radiotherapy can significantly improve the iPFS and OS of NSCLC patients with brain metastases. When the number of brain metastases is 1-3, GPA score is 2.5-4.0 or no targeted therapy, boost may improve the iPFS and OS; when the number of brain metastases is more than 4, GPA score is 2.5-4.0 or no targeted therapy, boost may only bring iPFS benefit; when GPA score is 0-2 or targeted therapy, boost may not benefit significantly.

3.
文章 在 中文 | WPRIM | ID: wpr-932673

摘要

Objective:To analyze the prognosis and influencing factors of patients with brain metastases from non-small cell lung cancer (NSCLC) treated with different doses of whole brain radiotherapy (WBRT).Methods:A total of 244 NSCLC patients with brain metastases who underwent WBRT in the Fourth Hospital of Hebei Medical University from 2013 to 2015 were analyzed retrospectively. According to different doses of WBRT (EQD 2Gy), they were divided into the 30-39 Gy group ( n= 104) and ≥40 Gy group ( n= 140). The intracranial progression-free survival (iPFS) and overall survival (OS) were compared betweentwo groups. According to the number of brain metastases, GPA score, KPS score, chemotherapy and targeted therapy, the prognosis of different doses of WBRT was further analyzed. Results:The median iPFS and OS of all patients were 6.9 months and 11.8 months, respectively. Univariate survival analysis: the 1-year iPFS and 1-year OS between two groups were 22.5% and 25.4%( P=0.430) and 41.1% and 46.4%( P=0.068), respectively. Multivariate survival analysis: different doses of WBRT were not associated with the improvement of iPFS and OS; independent factors influencing iPFS included local boost, gender, number of brain metastases, chemotherapy and targeted therapy; independent factors influencing OS included gender, number of brain metastases, chemotherapy and targeted therapy. Subgroup analysis: in patients with KPS≥90, the 1-year iPFS and OS of patients with WBRT ≥ 40 Gy were seemingly better than those of their counterparts with 30-39 Gy, but the difference was statistically significant only in OS ( P=0.047), the difference was not statistically significant in iPFS ( P=0.068); in patients with chemotherapy, the 1-year iPFS and OS of patients with WBRT≥40 Gy were better than those of their counterparts with 30-39 Gy ( P=0.017, P=0.012); in patients with targeted therapy, the 1-year iPFS and OS in the WBRT≥40 Gy group were better than those in the 30-39 Gy group ( P=0.012, P=0.045). Conclusions:The 30-39 Gy may be the appropriate dose of WBRT for NSCLC patients with brain metastases. WBRT≥40 Gy does not bring more benefits. WBRT≥40 Gy may benefit NSCLC patients with brain metastases with high KPS score or active systemic therapy.

4.
文章 在 中文 | WPRIM | ID: wpr-884589

摘要

Objective:To explore the optimal local treatment pattern of supraclavicular lymph node in breast cancer patients with synchronous ipsilateral supraclavicular lymph node metastasis (sISLM).Methods:Clinical data of 128 breast cancer patients with sISLM admitted to the Fourth Hospital of Hebei Medical University from 2010 to 2015 were retrospectively analyzed. Among them, 68 cases were treated with supraclavicular lymph node dissection combined with radiotherapy, and 60 cases received radiotherapy alone. The locoregional recurrence-free survival (LRFS), distant metastasis-free survival (DMFS), progression-free survival (PFS) and overall survival (OS) were statistically compared between two groups.Results:Univariate analysis demonstrated that the 5-year LRFS, DMFS, PFS and OS did not significantly differ between two groups (all P>0.05). Multivariate analysis revealed that the local treatment pattern of supraclavicular lymph node was an independent prognostic factor for the 5-year DMFS, PFS and OS (all P<0.05). Subgroup analysis showed that when radiotherapy alone was performed, the 5-year OS of patients in the supraclavicular region radiation dose of>50 Gy group were significantly better than that in the 50 Gy group ( P=0.047). When supraclavicular lymph node dissection combined with radiotherapy was delivered, if the number of dissection was less than 10, the 5-year LRFS, DMFS, PFS, OS of patients in the>50 Gy group were all better than those in the 50 Gy group numerically without statistical significance (all P>0.05). If the number of dissection was ≥10, the 5-year LRFS, DMFS, PFS, OS in the 50 Gy group were better than those in the>50 Gy group numerically, whereas significant difference was only found in the 5-year DMFS ( P=0.028). Conclusions:Supraclavicular lymph node dissection combined with radiotherapy may be the optimal local treatment pattern for supraclavicular lymph node. When radiotherapy alone is performed, a radiation boost to the supraclavicular region may improve OS. When supraclavicular lymph node dissection combined with radiotherapy is performed, if the degree of dissection is low, a radiation boost to the supraclavicular region may bring clinical benefits. However, if the degree of dissection is high, a radiation boost to the supraclavicular region may not bring significant clinical benefits.

5.
文章 在 中文 | WPRIM | ID: wpr-910490

摘要

Objective:To evaluate the effect of prophylactic irradiation of internal mammary lymph nodes in patients with breast cancer in this Meta-analysis.Methods:CNKI, Wanfang Medical network, CBM, PubMed, EMBASE and Web of Science were searched by computer. The controlled clinical studies comparing whether or not internal mammary lymph node irradiation as an intervention were included and the quality of the included literature was evaluated according to Newcastle-Ottawa Scale (NOS). RevMan 5.3 software and Stata 14 software were used for Meta-analysis.Results:A total of 11 original articles were included, and 13 181 patients were included for Meta-analysis. There was no statistically significant difference in the overall survival (OS) between patients with and without internal mammary lymph node irradiation ( P=0.490). The subgroup analysis using the date of treatment and the degree of risk in the enrolled population as criteria showed that 5-year OS was significantly increased after internal mammary area irradiation in high-risk stage Ⅱ-Ⅲ patients (N+ , T 3-T 4 stage) with the date of treatment of after 2000( P=0.003, 0.006). Compared with patients without internal mammary area irradiation, internal mammary irradiation significantly increased the 5-year disease-free survival (DFS)( P<0.001). Conclusion:Under the modern radiotherapy technology, internal mammary lymph node irradiation improves the DFS of patients, and may bring OS benefits to high-risk stage Ⅱ-Ⅲ breast cancer patients (N+ , T 3-T 4 stage).

6.
文章 在 中文 | WPRIM | ID: wpr-501875

摘要

Objective To retrospectively investigate the impact of postoperative radiotherapy ( RT) on the relationship between molecular subtype and survival in patients with breast cancer ( BC ) . Methods A total of 716 women who were admitted to our hospital in 2008 and newly received unilateral mastectomy were divided into Luminal A ( LA ) , Luminal B?HER?2?negative ( LB1 ) , Luminal B?HER?2?positive ( LB2) , HER?2 overexpression ( HER?2+) , triple?negative ( TN) , and unassigned subtypes according to the 2011 St. Gallen Consensus. The Cox model was used to analyze the differences in overall survival ( OS) and disease?free survival ( DFS ) rates between subtypes in all patients, RT group, or non?RT group. The Kaplan?Meier method was used to calculate OS and DFS rates. The Cox model was used to perform the factor analysis. Results In all patients, the median follow?up time was 71?4 months;the overall mortality rate was 10?5%;the incidence of treatment failure ( death+relapse+metastasis) was 14?9%;217 patients ( 30?3%) received RT. The multivariate analysis showed that there was no significant difference in OS between subtypes in any group ( all P>0?05 ) . In all patients, patients with LB1 subtype or unassigned subtype had significantly poorer DFS rates than those with LA subtype ( HR= 1?881, P= 0?035;HR= 1?907, P=0?049) . In the non?RT group, patients with LB1 subtype had significantly poorer DFS rates than those with LA subtype (HR=3?324, P=0?01). In the RT group, there was no significant difference in DFS rate between subtypes ( all P>0?05) . The two?dimensional cross analyses of RT and subtype demonstrated that patients with LB1 subtype in the non?RT group had lower OS and DFS rates than patients with LA subtype in the RT group ( P=0?09,0?06) . Conclusions Patients with LB1 subtype have lower OS and DFS rates than patients with LA subtype, especially in the non?RT patients. RT has no impact on the relationship between subtype and prognosis.

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