Article
Combined Small and Squamous Transformation in EGFR-mutated Lung Adenocarcinoma.
Internal medicine (Tokyo, Japan) - 15 May 2020
Hakozaki Taiki, Kitazono Miyako, Takamori Mikio, Kiriu Takahiro
Abstract excerpt
Histologic transformation has been described as an acquired mechanism of resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs). We herein report the case of a woman with stage IV lung adenocarcinoma harboring EGFR exon 19 deletions who was initially treated with EGFR-TKIs; several cytotoxic chemotherapeutic regimens were used when resistance developed. A lymph node re-biopsy...
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