Squamous cell carcinoma "transformation" concurrent with secondary T790M mutation in resistant EGFR-mutated adenocarcinomas

Agita Jukna, Gloria Montanari, Maria Cecilia Mengoli, Alberto Cavazza, Marisa Covi, Fausto Barbieri, Federica Bertolini, Giulio Rossi

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

The authors report two cases of epidermal growth factor receptor gene (EGFR)-mutant stage IV lung adenocarcinomas developing immunohistochemically proven squamous cell carcinoma (SCC) "transformation" concurrently with T790M EGFR mutation, leading to acquired resistance to EGFR inhibitors. Moreover, the histologic change of EGFR-mutant lung adenocarcinoma into SCC has been recently reported in literature. The histological transformation to SCC appears as a novel mechanism of acquired EGFR TKI resistance in EGFR-mutated adenocarcinomas and it may be challenging for treatment.

Original languageEnglish
Pages (from-to)e49-e51
Number of pages3
JournalJournal of Thoracic Oncology
Volume11
Issue number4
DOIs
Publication statusPublished - 2016

Keywords*

  • Adenocarcinoma
  • EGFR
  • Lung
  • Squamous cell carcinoma
  • T790M

Field of Science*

  • 3.2 Clinical medicine

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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