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Lobar versus sub-lobar surgery for pulmonary typical carcinoid, a population-based analysis
Journal article   Open access   Peer reviewed

Lobar versus sub-lobar surgery for pulmonary typical carcinoid, a population-based analysis

Muhammad Furqan, Yu-Yu Tien, Mary C Schroeder, Kalpaj R Parekh, John Keech, Bryan G Allen, Alexandra Thomas, Jun Zhang, Gerald Clamon and Taher Abu Hejleh
Journal of thoracic disease, Vol.10(10), pp.5850-5859
10/2018
DOI: 10.21037/jtd.2018.09.141
PMCID: PMC6236154
PMID: 30505493
url
https://doi.org/10.21037/jtd.2018.09.141View
Published (Version of record) Open Access

Abstract

The optimal surgery for resectable pulmonary typical carcinoid (TC), e.g., lobar resection (L-R) sub-lobar resection (SL-R), is controversial. This is further explored in this population-based study. The Surveillance, Epidemiology, and End Results (SEER) Program was used to select patients ≥66 years old, and diagnosed between 2000 and 2012 with pulmonary TC. A similar cohort was developed using the SEER-Medicare database (diagnosed from 2000-2007) to identify chemotherapy (CTX) use and co-morbidity. Five-year survival was calculated using univariate and multivariate analysis. A total of 1,506 and 512 patients were identified from SEER and SEER-Medicare, respectively. In the SEER cohort, 49%, 29% and 21% received L-R, SL-R, and no surgery (NS), respectively. Those who received NS were older (P<0.001), had a higher stage (P<0.001), greater comorbidity (P<0.001), and were more likely to receive radiotherapy (XRT) (P<0.001) and CTX (P<0.001). Relative survival was nearly 100% for those who received L-R or SL-R as opposed to 72% for those who received NS (P<0.001). Cox models showed no survival difference for L-R SL-R (HR 1.1, P=0.663), but worse survival for those who received NS L-R or SL-R (HR 3.6, P<0.001). XRT in NS cohort was associated with increased risk of death (HR 2.3, P=0.017). SL-R was better than NS, and similar to L-R in terms of survival. SL-R should be considered over NS if L-R is unfeasible. Role of adjuvant CTX and XRT is unclear as these did not improve survival in this study.
lung cancer radiotherapy (XRT) chemotherapy (CTX) neuroendocrine tumor (NE tumor) Carcinoid tumor

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