D2I2.
common

Livedo reticularis

Livedo reticularis is a common skin finding consisting of a mottled reticulated pattern that appears as a lace-like purplish discoloration of the skin. The discoloration is caused by reduction in blood flow () through the arterioles that supply the , resulting in deoxygenated blood showing as blue discoloration (). This can be a secondary effect of a condition that increases a person's risk of forming blood (), including a wide array of and nonpathological conditions. Examples include , microvascular hematological or states, nutritional deficiencies, hyper- and diseases, and drugs/toxins.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Purpura, mottling of the skin, blood , skin discoloration

Causes — why it happens

  • · diseases, , poisons, drug abuse
Plain-language summary adapted from Wikipedia. Not medical advice.