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. 2015 Jun 13;1(4):196–199. doi: 10.1016/j.jdcr.2015.04.005

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© 2015 by the American Academy of Dermatology, Inc. Published by 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 2 — CK20 and synaptophysin immunostains. Right upper area with CK20⁺ immunostaining is Merkel cell carcinoma (MCC) and left lower area is squamous cell carcinoma. (Hematoxylin-eosin stain; original magnification: ×400.) Inset, Synaptophysin⁺ immunostaining in MCC area.