期刊
JOURNAL OF THORACIC ONCOLOGY
卷 6, 期 6, 页码 1050-1058出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/JTO.0b013e318217b6f8
关键词
Large cell neuroendocrine carcinoma; Small cell carcinoma; Large cell carcinoma; Prognosis; Patient characteristics
Background: To compare the presenting and prognostic characteristics of patients with large cell neuroendocrine lung cancer (LCNELC) with those of patients with small cell lung cancer (SCLC) or other large cell carcinomas (OLCs) and to compare overall survival (OS) and lung cancer-specific survival (LCSS) rates for patients undergoing definitive resection without radiotherapy (S-NoRT). Methods: The Surveillance Epidemiology and End Results Database-17 from 2001 to 2007 was used. Differences between population characteristics were compared using chi(2) and Wilcoxon tests. The log-rank test and Cox models were used to compare differences in OS and LCSS. Results: There were 1211 patients with LCNELC (324 in the S-NoRT group), 8295 patients with OLC (1120 S-NoRT), and 35,304 patients with SCLC (355 S-NoRT). The proportion of all large cell carcinomas constituted by LCNELC increased from 8 to 21% during the study period; and the proportion of patients with large cell carcinoma undergoing S-NoRT increased from 16 to 26%. Presenting and histopathologic characteristics and treatment factors of patients undergoing S-NoRT for patients with LCNELC were more similar to those of patients with OLC than to those with SCLC. OS and LCSS rates for patients with LCNELC undergoing resection without radiation were similar to those of patients with OLC and better than those for patients with SCLC, but the differences were not statistically significant on multivariate analysis. Conclusions: The clinical, histopathologic, and biologic features of LCNELC are more similar to OLC than to SCLC. Therefore, LCNELC should continue to be classified and treated as a large cell carcinoma.
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