TTF1-positive SMARCA4/BRG1 deficient lung adenocarcinoma

被引：5

作者：

Mehta, Anurag ^{[1
]}

Diwan, Himanshi ^{[1
]}

Bansal, Divya ^{[1
]}

Gupta, Manoj ^{[2
]}

机构：

[1] Rajiv Gandhi Canc Inst & Res Ctr RGCIRC, Dept Lab Mol & Transfus Serv, New Delhi 110085, India

[2] Rajiv Gandhi Canc Inst & Res Ctr RGCIRC, Dept Nucl Med, New Delhi, India

来源：

JOURNAL OF PATHOLOGY AND TRANSLATIONAL MEDICINE | 2022年 / 56卷 / 01期

关键词：

BRG1; Lung; Non-small cell lung carcinoma; SMARCA4; Thyroid transcription factor 1;

D O I：

10.4132/jptm.2021.09.16

中图分类号：

R36 [病理学];

学科分类号：

100104 ;

摘要：

SMARCA4/BRG1-deficient lung adenocarcinoma (SD-LUAD) is being recognized as a distinct subtype based on subtle differences in its clinical, morphological, and immunophenotypic attributes compared to other non-small cell lung carcinomas. We present here a case of SD-LUAD with curious thyroid transcription factor 1 (TTF1) expression in a morphologically heterogenous lung adenocarcinoma. The better differentiated area showed preservation of TTF1 expression, and a poorly differentiated tumor had loss of TTF1 expression with universal BRG1 loss.

引用

页码：53 / 56

页数：4

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