Case Reports in Dermatological Medicine / 2020 / Article / Fig 2

Case Report

Metastatic Merkel Cell Carcinoma Masquerading as Multiple Immune-Related Adverse Events

Figure 2

Shave biopsy pathology from the left cheek primary lesion. (a) Small purple cells consistent with neuroendocrine carcinoma. (b) Positivity for synaptophysin. (c) Perinuclear dot-like positivity for cytokeratin 20. (d) Primary lesion two weeks after initial confirmatory biopsy.

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