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Article

Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms

  • Authors:
    • Zhiqiang Wang
    • Wenliang Li
    • Tianxing Chen
    • Jun Yang
    • Lilin Luo
    • Lianyu Zhang
    • Baocun Sun
    • Rui Liang
  • View Affiliations / Copyright

    Affiliations: Department of Oncology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China, Department of Pathology, The First People's Hospital of Yunnan Province, Kunming, Yunnan 650032, P.R. China, Department of Pathology, The Affiliated Cancer Hospital of Tianjin Medical University, Tianjin 300060, P.R. China
  • Pages: 1084-1088
    |
    Published online on: July 13, 2015
       https://doi.org/10.3892/etm.2015.2634
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Abstract

The aim of the present study was to analyze and summarize the clinicopathological characteristics and factors affecting prognosis for patients with gastrointestinal neuroendocrine neoplasms (GINENs). Retrospective analysis was conducted on the clinicopathological data of 74 patients who were diagnosed with GINEN, and immunohistochemical methods were used to detect the expression levels of relevant markers [synaptophysin (Syn), chromogranin A (CgA) and Ki‑67]. Among the 74 cases with GINEN, there were 39 males and 35 females, with an average age of 56.9 years. There were 32 neoplasms in the rectum, 29 in the stomach, 6 in the colon, 2 in the small intestine and 5 in the appendix. All 74 cases underwent surgical resection. According to the World Health Organization Classification of Tumors of the Digestive System (2010), the diagnosis of the 74 cases showed 41 cases (55.4%) of neuroendocrine tumor (NET; 25 cases of G1 and 16 cases of G2), 21 cases (28.4%) of neuroendocrine carcinoma (NEC) and 12 cases (16.2%) of mixed adenoneuroendocrine carcinoma (MANEC). Additionally, 19 cases had metastasis to lymph nodes. During 10‑34 months of follow‑up, 15 patients had distant metastasis and 24 patients succumbed, and the accumulative survival rate in 1 or 2 years was 87.8 and 74.3%, respectively. Six factors, namely neoplasm size, depth of invasion, lymph node metastasis, distant metastasis, pathological type and the expression or lack of expression of CgA, significantly affected the survival time of patients. Definitive diagnosis of GINEN mainly relies on pathological diagnosis. GINENs with different histopathological types and grading have different clinicopathological characteristics and prognosis: NETs are mainly early lesions with a good prognosis, whereas NECs and MANECs have high malignancy and strong invasion with a worse prognosis.
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Copy and paste a formatted citation
Spandidos Publications style
Wang Z, Li W, Chen T, Yang J, Luo L, Zhang L, Sun B and Liang R: Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms. Exp Ther Med 10: 1084-1088, 2015.
APA
Wang, Z., Li, W., Chen, T., Yang, J., Luo, L., Zhang, L. ... Liang, R. (2015). Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms. Experimental and Therapeutic Medicine, 10, 1084-1088. https://doi.org/10.3892/etm.2015.2634
MLA
Wang, Z., Li, W., Chen, T., Yang, J., Luo, L., Zhang, L., Sun, B., Liang, R."Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms". Experimental and Therapeutic Medicine 10.3 (2015): 1084-1088.
Chicago
Wang, Z., Li, W., Chen, T., Yang, J., Luo, L., Zhang, L., Sun, B., Liang, R."Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms". Experimental and Therapeutic Medicine 10, no. 3 (2015): 1084-1088. https://doi.org/10.3892/etm.2015.2634
Copy and paste a formatted citation
x
Spandidos Publications style
Wang Z, Li W, Chen T, Yang J, Luo L, Zhang L, Sun B and Liang R: Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms. Exp Ther Med 10: 1084-1088, 2015.
APA
Wang, Z., Li, W., Chen, T., Yang, J., Luo, L., Zhang, L. ... Liang, R. (2015). Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms. Experimental and Therapeutic Medicine, 10, 1084-1088. https://doi.org/10.3892/etm.2015.2634
MLA
Wang, Z., Li, W., Chen, T., Yang, J., Luo, L., Zhang, L., Sun, B., Liang, R."Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms". Experimental and Therapeutic Medicine 10.3 (2015): 1084-1088.
Chicago
Wang, Z., Li, W., Chen, T., Yang, J., Luo, L., Zhang, L., Sun, B., Liang, R."Retrospective analysis of the clinicopathological characteristics of gastrointestinal neuroendocrine neoplasms". Experimental and Therapeutic Medicine 10, no. 3 (2015): 1084-1088. https://doi.org/10.3892/etm.2015.2634
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