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.
Quick Answer. When leukocytes, or white blood cells, are found in urine, it may mean there is a urinary tract infection, according to WebMD. White blood cells in the urine can also be a sign of kidney disease.