Which of the following diagnostic tests is most appropriate for suspected carcinoid tumor?
A. 24-hour urinary excretion of 5-hydroxyindoleacetic acid (5-HIAA) Correct Choice
B. 24-hour urinary excretion of serotonin Wrong Choice!
C. Plasma chromogranin A Wrong Choice!
D. Plasma serotonin Wrong Choice!
Answer:A
Which of the following diagnostic tests is most appropriate for suspected carcinoid tumor?
A. 24-hour urinary excretion of 5-hydroxyindoleacetic acid (5-HIAA) Correct Choice B. 24-hour urinary excretion of serotonin Wrong Choice! C. Plasma chromogranin A Wrong Choice! D. Plasma serotonin Wrong Choice!