Brazil nuts contain high levels of minerals such as selenium, magnesium, copper, manganese, potassium, calcium, iron, phosphorus, and zinc. Magnesium is a key nutrient in a whole host of biological processes. Selenium is an important co-factor for the antioxidant enzyme glutathione-peroxidase.
Print All Open All Close All. A gastrointestinal stromal tumor (GIST) is a type of tumor that occurs in the gastrointestinal tract, most commonly in the stomach or small intestine. The tumors are thought to grow from specialized cells found in the gastrointestinal tract called interstitial cells of Cajal (ICCs) or precursors to these cells. GISTs are usually found in adults between ages 40 and 70; rarely, children and young adults develop these tumors.
Granulosa cell tumors are more often malignant than thecomas or fibromas, which are most often benign. Ovarian sex cord-stromal tumors of the granulosa-stromal cell type (granulosa cell tumors, fibromas, and thecomas) are reviewed here.ex cord-stromal tumors include granulosa cell tumors (which differentiate toward female characteristics), fibroma-thecomas, and Sertoli-Leydig cell tumors (which differentiate toward male characteristics).