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Quiz Set: A-001

Feng Yin, M.D., Ph.D., Kar-Ming Fung M.D., Ph.D.

Dept. of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma

Last updated: April, 23, 2017.

1.    A patient presented with right lower quadrant pain for three days, an acute appendicitis was diagnosed.  Which of the following causes most likely initiated the process?  Answer 

A.  Carcinoid

B.  Pseudomembranous colitis

C.  Acute obstruction of the lumen of the appendix triggered by fecaliths

D.  Tubular adenoma

E.  Lymphadenopathy

2.    A patient presented with right lower quadrant pain for three days, and appendectomy was performed. Grossly the appendix was normal, and microscopically few confluent epithelioid granulomas were found in the mucosal lymphoid tissue. Which of the following is NOT likely to be the cause?  Answer 

A.  Crohn’s disease

B.  Sarcoidosis

C.  Histoplasma capsulatum

D.  Clostridium difficile

E.  Yersinia

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?  Answer 

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