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. 2018 Nov 3;4(10):996–999. doi: 10.1016/j.jdcr.2018.08.004

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© 2018 Elsevier Inc.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 3 — Microscopic appearance of lesion on left zygoma. Breadloafed sections (original magnification x20, left) display MCC (yellow circles) highlighted by cytokeratin 20 (CK20) immunohistochemistry, adjacent to and intermingled with SCC (blue circles). Higher magnification (original magnification x400, top right) of the area with both components shows SCC with a subtle population of small round cells (area flanked by yellow arrows) that are challenging to identify because of intermingled lymphocytes. Cytokeratin-20 immunohistochemistry (lower right) confirms the presence of MCC.