Skin Lesion – Friday Pop Quiz 01/08
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Histologically, this lesion shows plump, polygonal cells arranged in nests and fascicles with granular cytoplasm. Which immunohistochemical stain would be positive?
A. CD31
B. Synaptophysin
C. Factor XIIIa
D. S-100
E. CD34
To find out the correct answer and read the explanation, click here.
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![Granular cell tumors](https://staging.nextstepsinderm.com/wp-content/uploads/2020/12/581faa910f281c0d7852f1f2d3c1619d-small-2.jpg)
![Granular cell tumors](https://staging.nextstepsinderm.com/wp-content/uploads/2020/12/581faa910f281c0d7852f1f2d3c1619d-small-2.jpg)