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Neuroendocrine carcinoma of the esophagus: clinical characteristics and prognostic evaluation of 49 cases with surgical resection

  
@article{JTD7566,
	author = {Han-Yu Deng and Peng-Zhi Ni and Yun-Cang Wang and Wen-Ping Wang and Long-Qi Chen},
	title = {Neuroendocrine carcinoma of the esophagus: clinical characteristics and prognostic evaluation of 49 cases with surgical resection},
	journal = {Journal of Thoracic Disease},
	volume = {8},
	number = {6},
	year = {2016},
	keywords = {},
	abstract = {Background: The clinicopathological features and optimum treatment of esophageal neuroendocrine carcinoma (NEC) are hardly known due to its rarity. Therefore, we conducted a retrospective study to analyze the clinical characteristics and prognosis of patients with surgically resected esophageal NEC.
Methods: We collected clinicopathological data on consecutive limited disease stage esophageal NEC patients who underwent esophagectomy with regional lymphadenectomy in West China Hospital from January 2007 to December 2013.
Results: A total of forty-nine patients were analyzed retrospectively. The mean age of the patients was 58.4±8.2 years with male predominance. Fifty-five percent of the esophageal NEC were located in the middle thoracic esophagus. Histologically, 28 (57.1%) patients were found to be small cell NECs. Fifty-one percent of the patients were found to have lymph node metastasis. According to the 2009 American Joint Committee on Cancer (AJCC) staging system for esophageal squamous cell carcinoma, 9 patients were at stage I, 21 patients stage II, and 19 patients stage III. Twenty-six patients (53.1%) received adjuvant therapy. After a median follow-up of 44.8 months [95% confidence interval (CI), 35.2–50.4 months], the median survival time of the patients was 22.4 months (95% CI, 14.0–30.8 months). The 1-year and 3-year survival rates for the whole cohort patients were 74.9% and 35.3%, respectively. In univariate analysis, TNM staging, lymph node metastasis and adjutant therapy significantly influenced survival time. In multivariate analysis, TNM staging was the only independent prognostic factor.
Conclusions: Esophageal NEC has a poor prognosis. The 2009 AJCC TNM staging system for esophageal squamous cell carcinoma may also fit for esophageal NEC. Surgery combined with adjuvant therapy may be a good option for treating limited disease stage esophageal NEC. Further prospective studies defining the optimum therapeutic regimen for esophageal NEC are needed.},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/7566}
}