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Figure 2 | Journal of Medical Case Reports

Figure 2

From: Ileocaecal recurrence of Merkel cell carcinoma of the skin: a case report

Figure 2

Microscopic appearance of the ileocaecal valve tumour. The mucosa shows infiltration by malignant cells with glassy nuclei, prominent nucleoli and scant cytoplasm. There is a high proliferation fraction. Immunostaining was positive for CK20, chromgranin A, synaptophysin, CD56, and MNF116. It was negative for CD3, CD30, CD10, CD20, CD23, CD5. The morphology and immunoprofile confirms this to be a metastatic Merkel cell carcinoma.

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