期刊
ONCOTARGETS AND THERAPY
卷 14, 期 -, 页码 2241-2246出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/OTT.S299864
关键词
bronchiolar adenoma; invasive mucinous adenocarcinoma; KRAS; transformation
资金
- Liaoning Technology Research Fund for Social Development and Industrialization [2017225010]
Bronchiolar adenoma (BA) is typically considered a benign tumor, but recent studies have suggested potential malignant characteristics at the genetic level. This case report highlights a BA case harboring the same genetic mutation as adjacent invasive mucinous adenocarcinoma (IMA), indicating a possible malignant transformation from BA to IMA.
Bronchiolar adenoma (BA) is recognized as a neoplasm with benign clinical course. Histologically, BA is characterized by nodular proliferation of the bilayered bronchiolar-type epithelium, including multipartite epithelial cells and a continuous layer of basal cells. Recent reports have revealed the frequent presence of driver gene mutations in BA, suggesting its neoplastic nature. However, it is still debatable whether BA has malignant potential. Herein, we report the first case of BA harboring the same KRAS mutation with the adjacent invasive mucinous adenocarcinoma (IMA). Additionally, the loss of continuity of the basal cell layer in the junctional zone between BA and IMA indicated a malignant transformation from BA to IMA in this particular case.
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