Question 11 · LEK · Gastrointestinal neuroendocrine tumors
Which of the following concerning gastric neuroendocrine tumor is false?
- A. may occur in the course of Zollinger-Ellison syndrome.
- B. sporadic tumor (type III) is associated with the worst prognosis because of the tendency to spread.
- C. may occur as a result of atrophic gastritis.
- D. occurrence of “carcinoid syndrome” indicates that the disease is advanced (metastases).
- E. for diagnosis it is sufficient to find the more-than-twice elevated concentration of chromogranin A in the blood.
Hint
Ask whether any circulating marker alone can establish the diagnosis of a neoplasm.
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