Open Access

Clinicopathological and genetic characteristics associated with brain metastases from lung adenocarcinoma and utility as prognostic factors

  • Authors:
    • Hiromasa Kobayashi
    • Makoto Hamasaki
    • Takashi Morishita
    • Masayo Yoshimura
    • Masani Nonaka
    • Hiroshi Abe
    • Tooru Inoue
    • Kazuki Nabeshima
  • View Affiliations

  • Published online on: July 27, 2018     https://doi.org/10.3892/ol.2018.9225
  • Pages: 4243-4252
  • Copyright: © Kobayashi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Brain metastases (BM) are common in patients with lung adenocarcinoma, and represent a significant cause of morbidity in the disease. A more comprehensive understanding of the clinicopathological characteristics that serve as prognostic factors for survival in patients with BM from lung adenocarcinoma may aid in informing treatment strategies for this patient population. In the present study, clinicopathological factors, including EGFR mutation status, were evaluated in 59 patients who were diagnosed with BM from lung adenocarcinoma, and underwent BM resection between January 1985 and December 2014 at Fukuoka University Hospital. The most frequent subtype of BM from lung adenocarcinoma was solid adenocarcinoma (57.6%), followed by papillary adenocarcinoma (22.0%) and acinar adenocarcinoma (18.6%). A total of 14 patients (23.7%) exhibited EGFR mutations, which were significantly associated with female sex (9/14, 64.3%), non‑smoker status (8/14, 57.1%), BM in the frontal lobes (9/14, 64.3%) and papillary adenocarcinoma (5/14, 35.7%). Statistical analysis revealed a significant association between non‑smoker status and BM in the frontal lobes, and more favorable disease prognosis. The results of the present study suggest that histological and genetic analysis of tissue from BM provides information useful for managing treatment of patients with resectable BM arising from lung adenocarcinoma.
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October-2018
Volume 16 Issue 4

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Kobayashi H, Hamasaki M, Morishita T, Yoshimura M, Nonaka M, Abe H, Inoue T and Nabeshima K: Clinicopathological and genetic characteristics associated with brain metastases from lung adenocarcinoma and utility as prognostic factors. Oncol Lett 16: 4243-4252, 2018
APA
Kobayashi, H., Hamasaki, M., Morishita, T., Yoshimura, M., Nonaka, M., Abe, H. ... Nabeshima, K. (2018). Clinicopathological and genetic characteristics associated with brain metastases from lung adenocarcinoma and utility as prognostic factors. Oncology Letters, 16, 4243-4252. https://doi.org/10.3892/ol.2018.9225
MLA
Kobayashi, H., Hamasaki, M., Morishita, T., Yoshimura, M., Nonaka, M., Abe, H., Inoue, T., Nabeshima, K."Clinicopathological and genetic characteristics associated with brain metastases from lung adenocarcinoma and utility as prognostic factors". Oncology Letters 16.4 (2018): 4243-4252.
Chicago
Kobayashi, H., Hamasaki, M., Morishita, T., Yoshimura, M., Nonaka, M., Abe, H., Inoue, T., Nabeshima, K."Clinicopathological and genetic characteristics associated with brain metastases from lung adenocarcinoma and utility as prognostic factors". Oncology Letters 16, no. 4 (2018): 4243-4252. https://doi.org/10.3892/ol.2018.9225