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Reproducibility of histopathological diagnosis in poorly differentiated NSCLC: an international multiobserver study.

Publication ,  Journal Article
Thunnissen, E; Noguchi, M; Aisner, S; Beasley, MB; Brambilla, E; Chirieac, LR; Chung, J-H; Dacic, S; Geisinger, KR; Hirsch, FR; Ishikawa, Y ...
Published in: J Thorac Oncol
September 2014

INTRODUCTION: The 2004 World Health Organization classification of lung cancer contained three major forms of non-small-cell lung cancer: squamous cell carcinoma (SqCC), adenocarcinoma (AdC), and large cell carcinoma. The goal of this study was first, to assess the reproducibility of a set of histopathological features for SqCC in relation to other poorly differentiated non-small-cell lung cancers and second, to assess the value of immunohistochemistry in improving the diagnosis. METHODS: Resection specimens (n = 37) with SqCC, large cell carcinoma, basaloid carcinoma, sarcomatoid carcinoma, lymphoepithelial-like carcinoma, and solid AdC, were contributed by the participating pathologists. Hematoxylin and eosin (H&E) stained slides were digitized. The diagnoses were evaluated in two ways. First, the histological criteria were evaluated and the (differential) diagnosis on H&E alone was scored. Second, the added value of additional stains to make an integrated diagnosis was examined. RESULTS: The histologic criteria defining SqCC were consistently used, but in poorly differentiated cases they were infrequently present, rendering the diagnosis more difficult. Kappa scores on H&E alone were for SqCC 0.46, large cell carcinoma 0.25, basaloid carcinoma 0.27, sarcomatoid carcinoma 0.52, lymphoepithelial-like carcinoma 0.56, and solid AdC 0.21. The κ score improved with the use of additional stains for SqCC (combined with basaloid carcinoma) to 0.57, for solid AdC to 0.63. CONCLUSION: The histologic criteria that may be used in the differential diagnosis of poorly differentiated lung cancer were more precisely refined. Furthermore, additional stains improved the reproducibility of histological diagnosis of SqCC and AdC, uncovering information that was not present in routine H&E stained slides.

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Published In

J Thorac Oncol

DOI

EISSN

1556-1380

Publication Date

September 2014

Volume

9

Issue

9

Start / End Page

1354 / 1362

Location

United States

Related Subject Headings

  • Retrospective Studies
  • Reproducibility of Results
  • Prognosis
  • Pneumonectomy
  • Pilot Projects
  • Oncology & Carcinogenesis
  • Middle Aged
  • Male
  • Lung Neoplasms
  • Immunohistochemistry
 

Citation

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Thunnissen, E., Noguchi, M., Aisner, S., Beasley, M. B., Brambilla, E., Chirieac, L. R., … Nicholson, A. G. (2014). Reproducibility of histopathological diagnosis in poorly differentiated NSCLC: an international multiobserver study. J Thorac Oncol, 9(9), 1354–1362. https://doi.org/10.1097/JTO.0000000000000264
Thunnissen, Erik, Masayuki Noguchi, Seena Aisner, Mary Beth Beasley, Elisabeth Brambilla, Lucian R. Chirieac, Jin-Haeng Chung, et al. “Reproducibility of histopathological diagnosis in poorly differentiated NSCLC: an international multiobserver study.J Thorac Oncol 9, no. 9 (September 2014): 1354–62. https://doi.org/10.1097/JTO.0000000000000264.
Thunnissen E, Noguchi M, Aisner S, Beasley MB, Brambilla E, Chirieac LR, et al. Reproducibility of histopathological diagnosis in poorly differentiated NSCLC: an international multiobserver study. J Thorac Oncol. 2014 Sep;9(9):1354–62.
Thunnissen, Erik, et al. “Reproducibility of histopathological diagnosis in poorly differentiated NSCLC: an international multiobserver study.J Thorac Oncol, vol. 9, no. 9, Sept. 2014, pp. 1354–62. Pubmed, doi:10.1097/JTO.0000000000000264.
Thunnissen E, Noguchi M, Aisner S, Beasley MB, Brambilla E, Chirieac LR, Chung J-H, Dacic S, Geisinger KR, Hirsch FR, Ishikawa Y, Kerr KM, Lantejoul S, Matsuno Y, Minami Y, Moreira AL, Pelosi G, Petersen I, Roggli V, Travis WD, Wistuba I, Yatabe Y, Dziadziuszko R, Witte B, Tsao M-S, Nicholson AG. Reproducibility of histopathological diagnosis in poorly differentiated NSCLC: an international multiobserver study. J Thorac Oncol. 2014 Sep;9(9):1354–1362.
Journal cover image

Published In

J Thorac Oncol

DOI

EISSN

1556-1380

Publication Date

September 2014

Volume

9

Issue

9

Start / End Page

1354 / 1362

Location

United States

Related Subject Headings

  • Retrospective Studies
  • Reproducibility of Results
  • Prognosis
  • Pneumonectomy
  • Pilot Projects
  • Oncology & Carcinogenesis
  • Middle Aged
  • Male
  • Lung Neoplasms
  • Immunohistochemistry