Zollinger Ellison syndrome is caused by -
Gastrin secreting tumor
Somatostatin secreting tumor
CCK secreting tumor
Adrenalin secreting tumor
Ans. is 'a' i.e., Gastrin secreting tumor o Zollinger-Ellison syndrome is caused by gastrin-secreting tumors.o These gastrinomas are most commonly found in the small intestine or pancreas.
Small and Large Intestines