Source:http://linkedlifedata.com/resource/umls/id/C0022650
MSH: Stones in the KIDNEY, usually formed in the urine-collecting area of the kidney (KIDNEY PELVIS). Their sizes vary and most contains CALCIUM OXALATE.,MEDLINEPLUS: <p>A kidney stone is a solid piece of material that forms in the kidney from substances in the urine. It may be as small as a grain of sand or as large as a pearl. Most kidney stones pass out of the body without help from a doctor. But sometimes a stone will not go away. It may get stuck in the urinary tract, block the flow of urine and cause great pain. </p><p>The following may be signs of kidney stones that need a doctor's help:</p><ul><li> Extreme pain in your back or side that will not go away</li><li> Blood in your urine</li><li> Fever and chills</li><li> Vomiting</li><li> Urine that smells bad or looks cloudy</li><li> A burning feeling when you urinate</li></ul><p style="font-weight:bold;font-style:italic;">NIH: National Institute of Diabetes and Digestive and Kidney Diseases</p>,NCI: A disorder characterized by the formation of crystals i