Carcinoid tumor is diagnosed by.
Ans. (a) Urinary 5HIAARef: Bailey 27th edition, Page 1251* Most common used investigation to diagnose carcinoid tumor is 24 hours urinary 5HIAA* IOC to localize the tumor is DOTATATE scan
Urinary 5 HIAA
Chromogranin A
Neuron specific enolase
Urinary 5 Hydroxy tryphtophan
Small & Large Intestine