Xuejun Dou1, Zhiyuan Wang1, Liang Wang1, Weiqiang Lu1, Yunlei Ma1, Shaofa Xu2. 1. Department of Thoracic Surgery, Aerospace Central Hospital, Beijing 100049, China. 2. Department of Thoracic Surgery, Beijing Chest Hospital, Beijing 101149, China.
Abstract
BACKGROUND: Small cell lung cancer (SCLC) accounts for nearly 15% of all cases of cancer. As a type of highly invasive tumors, SCLC has high degree of malignancy, early and extensive metastasis, and is sensitive to chemotherapy and radiotherapy. The early treatment response rate of SCLC is high but it can also relapse rapidly without any treatment. Its median survival time is merely four to six months. Although many studies on SCLC have been conducted in recent years, its clinical treatment strategies have remained unchanged. The treatment of SCLC is still confined to chemotherapy regimens of etoposide plus cisplatin (EP) and other classic treatments because the surgical treatment of SCLC, particularly for IIIa treatment, has yet to reach a consensus. This study investigated the prognostic factors and clinical therapy effect in the comprehensive treatment of IIIa SCLC after surgical treatment. METHODS: This study was conducted through the retrospective analysis of the clinical data of 78 patients with SCLC who underwent surgical treatment in Beijing Chest Hospital affiliated to Capital Medical University between January 1995 and December 1995. Through follow-up, we performed statistical analysis of each patient's gender, age, tumor size, lymph node metastasis, tumor-node-metastasis (TNM) staging, surgical methods, and adjuvant radiation and chemotherapy. RESULTS: The median survival in this clinical trial team was 13.93 months. Among the participants, 47 patients accepted neoadjuvant chemotherapy and their median survival were 14.25 months. By contrast, 31 patients accepted postoperative adjuvant chemotherapy and their median survival were 13.83 months. No statistical difference was observed between the two groups. Moreover, 28 patients were of single Lymph node metastasis and their median survival was 17.1 months. By contrast, 50 patients were of multiple lymph node metastasis and their median survival was 11.9 months. Significant statistical difference was observed between the two groups (P<0.01). CONCLUSIONS: In performing further evaluation of the status and value of surgical treatment in the comprehensive treatment of SCLC, several patients benefitted from IIIa SCLC surgery with comprehensive treatment.
BACKGROUND:Small cell lung cancer (SCLC) accounts for nearly 15% of all cases of cancer. As a type of highly invasive tumors, SCLC has high degree of malignancy, early and extensive metastasis, and is sensitive to chemotherapy and radiotherapy. The early treatment response rate of SCLC is high but it can also relapse rapidly without any treatment. Its median survival time is merely four to six months. Although many studies on SCLC have been conducted in recent years, its clinical treatment strategies have remained unchanged. The treatment of SCLC is still confined to chemotherapy regimens of etoposide plus cisplatin (EP) and other classic treatments because the surgical treatment of SCLC, particularly for IIIa treatment, has yet to reach a consensus. This study investigated the prognostic factors and clinical therapy effect in the comprehensive treatment of IIIa SCLC after surgical treatment. METHODS: This study was conducted through the retrospective analysis of the clinical data of 78 patients with SCLC who underwent surgical treatment in Beijing Chest Hospital affiliated to Capital Medical University between January 1995 and December 1995. Through follow-up, we performed statistical analysis of each patient's gender, age, tumor size, lymph node metastasis, tumor-node-metastasis (TNM) staging, surgical methods, and adjuvant radiation and chemotherapy. RESULTS: The median survival in this clinical trial team was 13.93 months. Among the participants, 47 patients accepted neoadjuvant chemotherapy and their median survival were 14.25 months. By contrast, 31 patients accepted postoperative adjuvant chemotherapy and their median survival were 13.83 months. No statistical difference was observed between the two groups. Moreover, 28 patients were of single Lymph node metastasis and their median survival was 17.1 months. By contrast, 50 patients were of multiple lymph node metastasis and their median survival was 11.9 months. Significant statistical difference was observed between the two groups (P<0.01). CONCLUSIONS: In performing further evaluation of the status and value of surgical treatment in the comprehensive treatment of SCLC, several patients benefitted from IIIa SCLC surgery with comprehensive treatment.
通过回顾性分析1995年1月-2010年12月首都医科大学附属北京胸科医院收治手术治疗的78例Ⅲa期SCLC患者的临床资料。所有病例均经术后病理证实为SCLC。病理分期[依据2007年国际抗癌联盟(Union for International Cancer Control, UICC)肿瘤-淋巴结-转移(tumor-node-metastasis, TNM)分期标准]。其中男性65例,女性13例,年龄27岁-75岁,平均51.8岁。
Survival curves. A: Survival curve of patients; B: Comparison of survival curves between preoperative chemotherapy and postoperative chemotherapy; C: Comparison of survival curves between lobectomy and pneumonectomy; D: Comparison of survival curves between micrometastases and extensive metastases of lymph node.
生存曲线。A:患者预后生存曲线;B:术前化疗与术后化疗对比生存曲线;C:肺叶切除与全肺切除对比生存曲线;D:淋巴结微转移与广泛性转移对比生存曲线。Survival curves. A: Survival curve of patients; B: Comparison of survival curves between preoperative chemotherapy and postoperative chemotherapy; C: Comparison of survival curves between lobectomy and pneumonectomy; D: Comparison of survival curves between micrometastases and extensive metastases of lymph node.
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