QUESTION 15.1
A. Mitotic activity
B. Presence of a pseudosarcomatous arrangement
C. Presence of tumor where paraganglionic tissue is not normally found
D. Prominent nuclear hyperchromasia and pleomorphism
E. Tumor size
2. This picture shows a type of paraganglioma that occurs most frequently at which of the following locations?
QUESTION 15.2
A. Base of skull
B. Neck
C. Pelvis
D. Posterior abdomen
E. Posterior thorax
3. This picture shows a section of a neck paraganglioma immunostained with an antibody that identifies a marker of sustentacular cells. This marker is:
QUESTION 15.3
A. Chromogranin
B. GATA3
C. OCT4
D. S100
E. Synaptophysin
4. This picture shows the histologic appearance of a nodule found in the coccygeal region. Which of the following is the most likely diagnosis?
QUESTION 15.4