Article

Luminal-Surface Claudin18.2 Expression Distinguishes Distal-Type Bronchiolar Adenoma from Mimicking Lesions: An Immunohistochemical Study

2026-04-23

Abstract excerpt

<title>Abstract</title> <p>Background Distal-type bronchiolar adenoma (BA) is a benign lung neoplasm characterized by a bilayered structure. However, atypical variants lacking continuous basal cell layers pose diagnostic challenges, particularly in distinguishing them from adenocarcinoma in situ (AIS), minimally invasive adenocarcinoma (MIA), and invasive lung adenocarcinoma (ILA) with acinar and papillary growt...

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Literature Corpus work: 202d991c-0672-5e33-aa31-c80e3b6cbf2a
DOI: 10.21203/rs.3.rs-9167542/v1

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