Was described in the 19th century by the British Dermatologist Erasmus Wilson


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Spider Nevus:

-Is also known as nevus araneus and is a benign lesion.
-Was described in the 19th century by the British Dermatologist Erasmus Wilson

-Is present in 10 to 15 % of individuals
-Is often idiopathic but multiple lesions can be caused by liver disease, hyperestrogenic states (pregnancy, estrogen therapy) and thyrotoxicosis.
-Can be treated with electrocdessication of the feeding vessel (central arteriole). Also possible is laser treatment (585nm pulsed dye laser, 532nm KTP laser.) Treatment of this single results in the disappearance of the whole lesion. (It can be found before treatment with diascopy).

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