Histological, Immunohistological, and Clinical Features of Merkel Cell Carcinoma in Correlation to Merkel Cell Polyomavirus Status
Figure 1
(a) Small-cell variant, histologically indistinguishable from bronchial small-cell carcinoma. (b) Intermediate variant of MCC showing vesicular, basophilic nuclei with prominent nucleoli and high mitotic activity. (c) Trabecular variant is rare and normally only seen as a small component of a mixed variant.
