Answer and Discussion of Quiz Set: A-001

3.    A patient presented with right lower quadrant pain for three days, and appendectomy was performed. There is an incidental finding of well differentiated neuroendocrine tumor. Which of the following would indicate the potential for aggressive behavior?

A.  Extension into mesoappendix

B.  Tumor greater than 2 cm

C.  Metastatic disease at time of presentation

D.  The presence of goblet cells

E.  All of the above

Answer and Discussion: The answer is (E). Extension into mesoappendix, tumor greater than 2 cm, metastatic disease at time of presentation, and goblet cell carcinoid tumor all indicate the potential for aggressive behavior.