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.
Do bear in mind that the presence of crystals in the urine is not necessarily an indicator that they were present in the person's urinary tract as some crystals form (or precipitate) more so after urination due to changes in temperature and pH. pH, by the way, is a measurement of how acidic or alkaline something is.