Image Quiz of the Week #57

1 June 2021

You are receiving this email because of your relationship with PathologyOutlines.com.

You may unsubscribe if you no longer wish to receive our emails.

Authors: Andréanne Gagné, M.D., M.Sc., Philippe Joubert, M.D., Ph.D.

A 55 year old woman had a lower left lobectomy showing a well circumscribed flesh colored tumor. Histologic details are shown in the image below. Regarding this entity, which of the following statements is true?

Select an answer:

A. CDX2 is usually negative in the lung and is useful to differentiate from a metastasis of an intestinal origin

B. Ki67 proliferative index is essential to grade this tumor

C. Rb expression is typically lost in this tumor

D. TTF1 is always positive

See correct answer

If you enjoy this eblast, subscribe to our Case of the Month eblasts.