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. 2020 Jan 20;34(9):1330–1340. doi: 10.1177/0885328219900078

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 5. — (a to c) BioGlue, Pattern A: (a) HE staining demonstrating a mixed pattern of epithelioid cells (arrowheads), eosinophilic granulocytes (arrows) and a few plasma cells and lymphocytes, scale bar = 30 μm; (b) Luna staining showing numerous intensively stained (red) eosinophilic granulocytes (arrowheads), scale bar = 30 μm; note that erythrocytes reveal a similar staining pattern, but can be differentiated in high power images as they do not contain nuclei; (c) CD79a immunostaining indicate that many cells of the infiltrate comprise B-lymphocytes (arrowheads), scale bar = 40 μm; (d to f) Coseal, Pattern B: (d) HE staining demonstrating granulomatous inflammation comprising epitheloid cells (arrows), scale bar = 30 μm; (e) Just single eosinophilic granulocytes can be found by Luna staining (arrowheads), scale bar = 30 μm; (f) Some immunopositive B-cells can be demonstrated by CD79a immunohistochemistry (arrowheads), scale bar = 40 μm.