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. 2024 Feb 28;12(2):E297–E306. doi: 10.1055/a-2251-3551

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 1 — Pathological smears. a EUS-FNA sampling; haematoxylin-eosin staining (20x): normal ductal epithelium. b EUS-FNA sampling; haematoxylin-eosin staining (20x): biliary adenocarcinoma. c ERCP-guided brushing; haematoxylin-eosin staining (20x): normal ductal epithelium close to a fragment of adenocarcinoma. d EUS-FNA sampling; hematoxylin-eosin staining (40x); cell block from EUS-FNA showing abundant material representing adenocarcinoma.