Pizza is a common fast food category in the United States, with chains such as Papa John's, Domino's Pizza, Sbarro and Pizza Hut. Menus are more limited and standardized than in traditional pizzerias, and pizza delivery, often with a time commitment, is offered.
1 Leucine crystals are abnormal in urine. 2  Appearance: yellow-brown spheroids with concentric rings around the outer edge and radial striations in the center.  Leucine crystals may be seen in liver disorders in which amino acid metabolism is impaired.
When crystals are found in the urine it is an indication or a symptom that something is wrong in the urinary system. The urinary system is made up of the kidney, bladder, ureters and urethra. Modification in the diet as well as urine concentration can be a cause of the crystals but there are other causes also.