Cancerous (malignant) tumors in the small intestine are very uncommon, occurring in about 9,000 people in the United States each year. Adenocarcinoma is the most common type of cancer of the small intestine. Adenocarcinomas develop in the glandular cells of the lining of the small intestine. People with Crohn disease of the small intestine are more likely than others to develop adenocarcinoma.
Test Overview. A brain natriuretic peptide (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working. Normally, only a low amount of BNP is found in your blood.
BNP is a heart hormone (peptide) produced by the heart's pumping chambers when the heart can't supply the body with enough blood. BNP levels are high in patients with systolic dysfunction, and the worse the heart class, the higher the BNP level.t measures levels of BNP or B-type natriuretic peptide. Levels of this hormone are very high in people with acute heart failure. Doctors have often been wrong when faced with a person having CHF, calling it asthma, respiratory infection, pneumonia, or gallstones.