Definition

Noun: A skin condition marked by a mottled, bluish-red or purplish discoloration of the skin, often forming a net-like pattern. It is caused by changes in the blood vessels near the skin's surface.

Usage

"Livedo" is a medical term used to describe a specific physical symptom. It is typically used in clinical or diagnostic contexts. * The patient presented with livedo on the lower extremities. * A persistent livedo pattern can be a sign of an underlying vascular condition.

Advanced Usage

• Livedo Reticularis: This is the most common specific form, describing the classic net-like (reticulated) pattern of discoloration, often triggered by cold exposure.
  • The physician diagnosed the patient with livedo reticularis.
• Livedo Racemosa: This term describes a more pronounced, broken, and irregular pattern of discoloration, which is more likely to be associated with serious systemic diseases.
  • Livedo racemosa is often considered a marker for conditions like vasculitis.

Variants and Related Words

• Livedoid (Adjective): Pertaining to or resembling livedo.
  • The dermatologist noted a livedoid rash.

Synonyms

• Mottling (in a medical context)
• Cutis marmorata (specifically for the physiological, transient mottling seen in infants and sometimes in adults in response to cold)

Notes on Meaning

The term "livedo" refers specifically to the visible skin manifestation. It is not a disease itself but a symptom that can result from various causes, ranging from benign (like cold exposure) to serious (like autoimmune disorders).

Noun

1. skin disorder characterized by patchy bluish discolorations on the skin