Stepwise addition of genetic changes correlated with histological change from "well-differentiated" to "sarcomatoid" phenotypes: A case report

Taichiro Goto, Yosuke Hirotsu, Hitoshi Mochizuki, Takahiro Nakagomi, Toshio Oyama, Kenji Amemiya, Masao Omata

研究成果: Article

16 被引用数 (Scopus)

抄録

Background: Sarcomatoid cancer is defined by the World Health Organization as a category of non-small cell lung cancers with sarcoma or sarcoma-like differentiation. They are characterized by poor prognosis and resistance to conventional chemotherapy. However, the mutational profile of sarcomatoid cancer remains yet to be elucidated. Sarcomatoid cancers are usually biphasic tumors composed of carcinomatous and sarcomatous components, but the evolutional development of sarcomatoid cancer is controversial. Case presentation: We present an illustrative case of sarcomatoid cancer composed of three different histological areas. Targeted sequencing of 53 lung cancer-related genes was performed in each component and their phenotypic changes were correlated with stepwise addition of genetic changes. Conclusion: Sarcomatous change of carcinoma occurs in the case of sarcomatoid cancer, and phenotypic changes to sarcomatoid cancer are associated with the addition of mutation patterns and derived from poorly differentiation tumor.

本文言語English
論文番号65
ジャーナルBMC cancer
17
1
DOI
出版ステータスPublished - 2017 1 19

ASJC Scopus subject areas

  • Genetics
  • Oncology
  • Cancer Research

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