MEDizzy
MEDizzy
Hunain
Hunainabout 1 month ago
What causes spider nevus?

What causes spider nevus?

The webs of small arterioles and capillaries that appear close to the skin are abnormal. What causes this to happen is not entirely understood. Researchers believe that various factors may result in spider nevi. These factors include: exposure to the sun injury changes in hormone levels underlying illnesses, such as liver disease Spider nevi, especially if there is more than one, is a common sign of liver disease. People with liver disease often have multiple vessel clusters at a time. Spider nevus commonly occurs when you have a lot of estrogen in your system, as is the case with chronic liver disease or during pregnancy. Spider nevus is more common in people with alcohol-related liver cirrhosis (liver disease) than in those with cirrhosis not related to alcohol.

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