Neodymium is never found in nature as a free element, but rather it occurs in ores such as monazite and bastnÃ¤site that contain small amounts of all the rare earth metals. The main mining areas are in China, the United States, Brazil, India, Sri Lanka, and Australia.
Polycystic Kidney Disease. Polycystic kidney disease (also called PKD) causes numerous cysts to grow in the kidneys. These cysts are filled with fluid. If too many cysts grow or if they get too big, the kidneys can become damaged. PKD cysts can slowly replace much of the kidneys, reducing kidney function and leading to kidney failure.
Discussion: The most common cause of splenic cysts are post-traumatic cysts, occuring 80% of the time. Other causes of splenic cysts include epidermoid cysts, pancreatic pseudocysts, bacterial abscesses, and hydatid cysts.Post-traumatic cysts are formed from previous hemorrhage and may contain blood products, cholesterol crystals, or cellular debris.ydatid cysts should be suspected in a patient with cysts in the liver, lung, and spleen. These cysts are typically large, and will have septations, daughter cysts, and hydatid sand. They may also have ringlike calcifications in chronic stages.