Adarsh Hospital & Stone Centre Best Hospital in Patna. Kidney/Urinary stones are pieces that type once minerals in the urine become terribly focused and solidify. while tiny kidney stones usually submit to the body inflicting solely a little discomfort, larger stones may be extremely painful and should even block the urinary tract. Usually, urinary stones occur in adults, but, they can also occur in youngsters of any age. There ar growing incidences of a lot of youngsters developing stones in recent years, probably thanks to manner and dietary factors.