Journal of International Oncology ›› 2017, Vol. 44 ›› Issue (3): 221-223.doi: 10.3760/cma.j.issn.1673422X.2017.03.016

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Research progress of esophageal collision tumor

Wang Hongliang, Sun Yaxin, Li Jiamei, Lin Xiaoya   

  1. Laboratory of Physical and Chemical Analysis, Shandong Academy of Occupational Health and Occupational Medicine, Shandong Academy of Medical Sciences, Ji′nan 250062, China
  • Online:2017-03-08 Published:2017-02-28
  • Contact: Lin Xiaoyan E-mail:linxiaoyanyan@163.com
  • Supported by:

    National Natural Science Foundation

    of China (81402185)

Abstract: Esophageal collision tumor is an extremely rare tumor which defined as the concrescence of two distinct primary neoplasms. The pathobiological mechanism of collision tumors is yet to be understood. Clinical symptoms, endoscopic examination and imaging are all lack of specificity. Diagnosing a collision tumor prior to surgery is difficult. Careful pathological examination is crucial for accurately diagnosing the neoplasms in a collision tumor and ensuring appropriate management and a favorable prognosis. Esophageal collision tumors have been increasingly reported in recent years. With the aim of improving the knowledge level of esophageal collision tumor, the clinical and pathological features of this tumor is needed to be summarized.

Key words: Esophageal neoplasms, Diagnosis, Therapy, Collision tumor