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Current Oncology
Volume 21
Issue 6
10.3747/co.21.2148
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Current Oncology is published by MDPI from Volume 28 Issue 1 (2021). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Multimed Inc..
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Article

Relationship of Thyroid Transcription Factor 1 to EGFR Status in Non-Small-Cell Lung Cancer

by
B.S. Sheffield
1,*,
I.E. Bosdet
1,
R.H. Ali
2,
S.S. Young
1,
B.K. McNeil
1,
C. Wong
1,
K. Dastur
1,
A. Karsan
1 and
D.N. Ionescu
1
1
Department of Pathology and Laboratory Medicine, BC Cancer Agency, Vancouver, BC, Canada
2
Pathology Department, Faculty of Medicine and Health Sciences Centre, Kuwait University, Kuwait, Kuwait
*
Author to whom correspondence should be addressed.
Curr. Oncol. 2014, 21(6), 305-308; https://doi.org/10.3747/co.21.2148
Submission received: 3 September 2014 / Revised: 4 October 2014 / Accepted: 10 November 2014 / Published: 1 December 2014

Abstract

Background: Activating mutations of the epidermal growth factor receptor (EGFR) gene are known to drive a proportion of non-small-cell lung cancers. Identification of lung cancers harbouring such mutations can lead to effective treatment using one of the agents that targets and blocks EGFR-mediated signalling. Methods: All specimens received at the BC Cancer Agency (Vancouver) for EGFR testing were prospectively identified and catalogued, together with clinical information and EGFR status, over a 14-month period. Results: Specimens from 586 patients were received for EGFR testing, and EGFR status was reported for 509 patients. No relationship between specimen type or site of origin and EGFR test failure rate was identified. Concurrent immunohistochemical (IHC) status for thyroid transcription factor 1 (TTF1) was available for 309 patients. The negative predictive value of TTF1-negative status by IHC was 94.2% for predicting negative EGFR status. Conclusions: In patients with limited tissue available for testing, a surrogate for EGFR status would aid in timely management. Immunohistochemistry for TTF1 is readily available and correlates highly with EGFR status. In conjunction with genetic assays, TTF1 could be used to optimize an EGFR testing strategy.
Keywords: EGFR; ttf1; thyroid transcription factor 1; nsclc; non-small-cell lung cancer; lung cancer; adenocarcinoma; biomarker testing EGFR; ttf1; thyroid transcription factor 1; nsclc; non-small-cell lung cancer; lung cancer; adenocarcinoma; biomarker testing

Share and Cite

MDPI and ACS Style

Sheffield, B.S.; Bosdet, I.E.; Ali, R.H.; Young, S.S.; McNeil, B.K.; Wong, C.; Dastur, K.; Karsan, A.; Ionescu, D.N. Relationship of Thyroid Transcription Factor 1 to EGFR Status in Non-Small-Cell Lung Cancer. Curr. Oncol. 2014, 21, 305-308. https://doi.org/10.3747/co.21.2148

AMA Style

Sheffield BS, Bosdet IE, Ali RH, Young SS, McNeil BK, Wong C, Dastur K, Karsan A, Ionescu DN. Relationship of Thyroid Transcription Factor 1 to EGFR Status in Non-Small-Cell Lung Cancer. Current Oncology. 2014; 21(6):305-308. https://doi.org/10.3747/co.21.2148

Chicago/Turabian Style

Sheffield, B.S., I.E. Bosdet, R.H. Ali, S.S. Young, B.K. McNeil, C. Wong, K. Dastur, A. Karsan, and D.N. Ionescu. 2014. "Relationship of Thyroid Transcription Factor 1 to EGFR Status in Non-Small-Cell Lung Cancer" Current Oncology 21, no. 6: 305-308. https://doi.org/10.3747/co.21.2148

APA Style

Sheffield, B. S., Bosdet, I. E., Ali, R. H., Young, S. S., McNeil, B. K., Wong, C., Dastur, K., Karsan, A., & Ionescu, D. N. (2014). Relationship of Thyroid Transcription Factor 1 to EGFR Status in Non-Small-Cell Lung Cancer. Current Oncology, 21(6), 305-308. https://doi.org/10.3747/co.21.2148

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