Fig. 1From: Unexpected maspin immunoreactivity in Merkel cell carcinomaMicroscopically, the Merkel cell carcinoma is characterized by intradermal proliferation of clusters of small cells (a, b) that are marked by keratin 20 (c, d), epithelial membrane antigen (e), the neuroendocrine markers (f-i), CD99 (j), and bcl-2 (k) (Chr = chromogranin; EMA = epithelial membrane antigen; NSE = neuron specific enolase; Syn = synaptophysin)Back to article page