Figure 3 | Modern Pathology

Figure 3

From: A two-antibody mismatch repair protein immunohistochemistry screening approach for colorectal carcinomas, skin sebaceous tumors, and gynecologic tract carcinomas

Figure 3

Equivocal immunoreactivity with MSH6 identified in a skin sebaceous adenoma (a, × 200) that demonstrates immunoreactivity in lesional cells present at the periphery of the lesion and that account for <10% of the cells. Equivocal immunoreactivity with MSH6 in a primary uterine endometrioid carcinoma (b, × 400) in which most of the tumor cells lacked MSH6 expression with areas demonstrating weak nuclear MSH6 staining comprising <10% of tumor cells.

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