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Livedo reticularis is a disorder in which blood vessels are constricted,
or narrowed. It results in mottled discoloring on large areas of
the legs or arms.
The mottled look seen in a person with livedo reticularis occurs
when some of the blood vessels feeding the skin go into spasm.
Symptoms of livedo reticularis include a mottled, or lace-like,
appearance of reddish blue areas on the skin. The mottling is more
apparent on the thighs and forearms, and sometimes the lower abdomen.
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