Which of the following statements about carcinoid syndrome are true?
A. Carcinoid syndrome occurs only when hepatic metastases are present.
B. Serotonin is thought to be responsible for the diarrhea, cardiac lesions, and flushing in patients with carcinoid syndrome.
C. Foregut carcinoid tumors cause atypical carcinoid syndrome; hindgut tumors are rarely, if ever, associated with the syndrome.
D. The long-acting somatostatin analog provides the best symptomatic treatment for carcinoid syndrome.
Answer:C
Which of the following statements about carcinoid syndrome are true?
A. Carcinoid syndrome occurs only when hepatic metastases are present. B. Serotonin is thought to be responsible for the diarrhea, cardiac lesions, and flushing in patients with carcinoid syndrome. C. Foregut carcinoid tumors cause atypical carcinoid syndrome; hindgut tumors are rarely, if ever, associated with the syndrome. D. The long-acting somatostatin analog provides the best symptomatic treatment for carcinoid syndrome.