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.
Leucine crystals in Urine. 1  Leucine crystals are abnormal in urine.  Appearance: yellow-brown spheroids with concentric rings around the outer edge and radial striations in the center.
Urate crystals (commonly called brick stain by doctors) are a combination of calcium and urate, substances normally found in urine. Crystals of the substance often form, leaving a red-orange stain in your baby's diaper â which can be alarming for parents!