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.
Sex cord-stromal tumors are groups of tumors composed of granulosa cells, theca cells, Sertoli cells, Leydig cells, and fibroblasts of stromal origin, singly or in various combinations.ifferentials. Sertoliform endometrioid carcinoma, first described by Roth in 1982 refers to a specific type of endometrioid carcinoma that has a pattern similar to that of sex cord-stromal tumors, particularly the Sertoli-Leydig cell tumor.