At first, it might look like nothing more than a strange cosmetic quirk — faint, web-like patches of purplish-blue forming across your skin. But doctors say that a condition called livedo reticularis can sometimes reveal far more than meets the eye. While often harmless, this mottled pattern can also be one of the first visible signs that something deeper is wrong. What Is Livedo Reticularis? Livedo reticularis describes a lace-like discoloration of the skin caused by sluggish or uneven blood flow in the small vessels beneath the surface. It’s most often seen on the legs, arms, or torso. When circulation…