Which of the following statements regarding neuroendocrine tumors is FALSE?
A. Tumor production of histamine and bradykinin causes vasodilation and flushing Wrong Choice!
B. Carcinoid syndrome only occurs in the presence of liver metastases Correct Choice
C. Carcinoid tumors may arise in lung, liver, and anywhere in the gastrointestinal tract Wrong Choice!
D. Serotonin can stimulate fibroblast and fibrogenesis causing valvular lesions Wrong Choice!
Answer:B
Which of the following statements regarding neuroendocrine tumors is FALSE?
A. Tumor production of histamine and bradykinin causes vasodilation and flushing Wrong Choice! B. Carcinoid syndrome only occurs in the presence of liver metastases Correct Choice C. Carcinoid tumors may arise in lung, liver, and anywhere in the gastrointestinal tract Wrong Choice! D. Serotonin can stimulate fibroblast and fibrogenesis causing valvular lesions Wrong Choice!