Is a gastrinoma benign or malignant?

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Gastrinomas may behave in a benign or malignant fashion. The percentage of gastrinomas that are actually malignant is unclear. No visual microscopic (histologic) criteria can predict malignancy. Malignancy can only be established by the behavior of the gastrinoma leading to the presence of metastases. Approximately one half of patients have a malignant behaving gastrinoma at the time of diagnosis. 

Continue Learning about Digestive Diseases

Digestive Diseases

Digestive diseases, also known as gastrointestinal diseases, are disorders that affect your esophagus, stomach and small and large intestines. The symptoms of digestive diseases vary widely depending on which part of your digestiv...

e system is affected. Generally symptoms can be blood in your stool, a change in bowel habits, pain, weight loss or heartburn that is not relieved by antacids. See you doctor if you have any of these signs of digestive disease.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.