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CJAP ›› 2021, Vol. 37 ›› Issue (4): 407-414.doi: 10.12047/j.cjap.6020.2021.008

• ORIGINAL ARTICLES • Previous Articles     Next Articles

Clinical and prognostic features of the patients with esophageal squamous cell carcinomas as a first primary malignancy

WEN Zhen, ZHANG Yan-qiu, WU Rong, PENG Xue-mei, CHEN Bin, LENG Ai-min   

  1. Xiangya Hospital Central South University, Changsha 410078, China
  • Online:2021-07-28 Published:2021-08-09

Abstract: Objective: To retrospectively analyze the clinical characters and prognosis of the patients with Esophageal Squamous Cell Carcinomas as First Primary Malignancy (ESCCFPM), which will help us better understand the relationship between Esophageal Squamous Cell Carcinoma (ESCC) and other cancers, and to provide appropriate research evidence for the clinical diagnosis and treatment. Methods: The clinicopathological and follow-up data of 540 Patients with ESCCFPM between January 1, 2004 and December 31, 2016 were collected from the Surveillance, Epidemiology and End Results (SEER) database of National Cancer Institute. The Kaplan-Meier method was used to determine Overall Survival (OS) curves of ESCC patients, and the Log-Rank test was used to estimate differences in survival. The Cox proportional hazards models were adopted for the prognosis analyses. Results: Regarding the number of multiple primary malignancies (MPMs), 491 had two malignancies, 42 had three malignancies and 7 had four malignancies. ESCCFPM is more common among males. The high incidence age is between 61 and 80 years old. Tumors of the respiratory system (36.9%), were the most common MPMs followed by digestive system (35.2%) and reproductive system (8.9%). The 1-year, 3-year, 5-year OS rates for patients with ESCCFPM were 76.9%, 50.4% and 38.9%, respectively. The age of the ESCC diagnosed, T stage, time of occurrence, carcinoma number, lymph node dissection, surgery, radiotherapy and chemotherapy were the prognostic factor of overall survival for ESCCFPM patients. Age, race, T stage, time of occurrence surgery and radiotherapy were independent prognostic factors for the whole cohort by multivariate survival analysis. Conclusion: ESCCFPM,mainly two-lesion cancer, is most commonly found in respiratory system and digestive systems. Enhanced follow-up of respiratory and digestive tumors in ESCCFPM patients aged 61-80 may help identify multiple primary malignancies. Surgery, radiotherapy and chemotherapy may improve overall survival for ESCCFPM patients.

Key words: esophageal squamous cell carcinoma, multiple primary cancers, SEER, synchronous primary malignancy, metachronous primary malignancy

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