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Article

Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review)

Erratum in: /10.3892/ol.2020.11385
  • Authors:
    • Liming Gao
    • Yingying Zhu
    • Xiaohua Shi
    • Zhiqiang Gao
    • Xingming Chen
  • View Affiliations / Copyright

    Affiliations: Department of Otolaryngology‑Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, P.R. China, Department of Pathology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, P.R. China
  • Pages: 6885-6890
    |
    Published online on: October 18, 2019
       https://doi.org/10.3892/ol.2019.11011
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Abstract

Peripheral primitive neuroectodermal tumors (pPNETs) are rare, small cell carcinomas with a poor prognosis. The aim of the present study was to describe therapeutic approaches, outcomes and probable prognostic factors. The clinical features, treatments, and outcomes of 89 consecutive patients with pPNET treated at the Peking Union Medical College Hospital from 1999 to 2018 were retrospectively reviewed. A total of 43 males and 46 females were included in the study, with a median age of 25 years (range, 5‑73 years). The predominantly affected regions were the abdomen and pelvis, followed by the thoracopulmonary region. The mean primary tumor size was 12.6 cm (range, 1‑30 cm). A total of 16 patients (18%) initially presented with metastasis. A total of 46 patients received combined therapy, 35 received mono‑therapy, and 8 underwent only biopsy with no further treatment. The period of observation ranged from 1‑232 months. The median overall survival (OS) time was 15 months [95% confidence interval (CI), 9‑21 months], with 3‑ and 5‑year OS rates of 32 and 25%, respectively. Large tumor size [adjusted hazard ratio (aHR)=3.65; 95% CI, 2.07‑6.42; P<0.001), metastasis at initial presentation (aHR=4.34, 95% CI, 2.23‑8.42; P<0.001), and combined modality treatment (aHR=0.16, 95% CI, 0.06‑0.39; P<0.001) were significantly associated with OS. The prognosis of pPNET is, overall, poor. Large tumor size and metastasis at initial presentation are associated with poorer outcomes. This highly malignant tumor requires an aggressive combination of radical resection, chemotherapy and radiotherapy, when indicated.
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Copy and paste a formatted citation
Spandidos Publications style
Gao L, Zhu Y, Shi X, Gao Z and Chen X: Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385. Oncol Lett 18: 6885-6890, 2019.
APA
Gao, L., Zhu, Y., Shi, X., Gao, Z., & Chen, X. (2019). Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385. Oncology Letters, 18, 6885-6890. https://doi.org/10.3892/ol.2019.11011
MLA
Gao, L., Zhu, Y., Shi, X., Gao, Z., Chen, X."Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385". Oncology Letters 18.6 (2019): 6885-6890.
Chicago
Gao, L., Zhu, Y., Shi, X., Gao, Z., Chen, X."Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385". Oncology Letters 18, no. 6 (2019): 6885-6890. https://doi.org/10.3892/ol.2019.11011
Copy and paste a formatted citation
x
Spandidos Publications style
Gao L, Zhu Y, Shi X, Gao Z and Chen X: Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385. Oncol Lett 18: 6885-6890, 2019.
APA
Gao, L., Zhu, Y., Shi, X., Gao, Z., & Chen, X. (2019). Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385. Oncology Letters, 18, 6885-6890. https://doi.org/10.3892/ol.2019.11011
MLA
Gao, L., Zhu, Y., Shi, X., Gao, Z., Chen, X."Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385". Oncology Letters 18.6 (2019): 6885-6890.
Chicago
Gao, L., Zhu, Y., Shi, X., Gao, Z., Chen, X."Peripheral primitive neuroectodermal tumors: A retrospective analysis of 89 cases and literature review (Review) Erratum in /10.3892/ol.2020.11385". Oncology Letters 18, no. 6 (2019): 6885-6890. https://doi.org/10.3892/ol.2019.11011
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