Immunohistochemical TTF-1 and Napsin a Expression in Gastrointestinal Adenocarcinomas—Low Frequency but an Important Pitfall

<b>Background/Objectives</b>: TTF-1 and Napsin A are immunohistochemical markers that are widely used for the diagnosis of lung adenocarcinomas or thyroid carcinomas, as well as the characterization of metastases. However, several publications have reported the aberrant expression of one...

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Bibliographic Details
Main Authors: Petar Noack, Claudia Grosse, Simon Eschemann, Bastian Dislich, Rupert Langer
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Diagnostics
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Online Access:https://www.mdpi.com/2075-4418/15/12/1490
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