12 July 2022: Image Quiz #86

Authors: Simona De Michele, M.D.Helen E. Remotti, M.D.

When evaluating the pulmonary neoplasm shown in the image, which immunohistochemical stain is more specific than CDX2 for ruling in a colorectal metastasis?

Select an answer:

A. CK7

B. CK20

C. Napsin A

D. SATB2

E. TTF1

To sign up for our biweekly image quiz newsletters and more, visit pathologyoutlines.com/subscribe.html.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s