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Diseases » Scleroderma » Causes
 

Causes of Scleroderma

Scleroderma Causes: Book Excerpts

Scleroderma as a complication of other conditions:

Other conditions that might have Scleroderma as a complication may, potentially, be an underlying cause of Scleroderma. Our database lists the following as having Scleroderma as a complication of that condition:

Scleroderma as a symptom:

Conditions listing Scleroderma as a symptom may also be potential underlying causes of Scleroderma. Our database lists the following as having Scleroderma as a symptom of that condition:

What causes Scleroderma?

Causes: Scleroderma: Probably autoimmune. Not contagious. Not genetic.
Article excerpts about the causes of Scleroderma:
Although scientists don't know exactly what causes scleroderma, they are certain that people cannot catch it from or transmit it to others. Studies of twins suggest it is also not inherited. Scientists suspect that scleroderma comes from several factors that may include:

Abnormal immune or inflammatory activity: Like many other rheumatic disorders, scleroderma is believed to be an autoimmune disease. An autoimmune disease is one in which the immune system, for unknown reasons, turns against one's own body.

In scleroderma, the immune system is thought to stimulate cells called fibroblasts to produce too much collagen. In scleroderma, collagen forms thick connective tissue that builds up around the cells of the skin and internal organs. In milder forms, the effects of this buildup are limited to the skin and blood vessels. In more serious forms, it also can interfere with normal functioning of skin, blood vessels, joints, and internal organs.

Genetic makeup: While genes seem to put certain people at risk for scleroderma and play a role in its course, the disease is not passed from parent to child like some genetic diseases.

However, some research suggests that having children may increase a woman's risk of scleroderma. Scientists have learned that when a woman is pregnant, cells from her baby can pass through the placenta, enter her blood stream, and linger in her body--in some cases, for many years after the child's birth. Recently, scientists have found fetal cells from pregnancies of years past in the skin lesions of some women with scleroderma. They think that these cells, which are different from the woman's own cells, may either begin an immune reaction to the woman's own tissues or trigger a response by the woman's immune system to rid her body of those cells. Either way, the woman's healthy tissues may be damaged in the process. Further studies are needed to find out if fetal cells play a role in the disease.

Environmental triggers: Research suggests that exposure to some environmental factors may trigger the disease in people who are genetically predisposed to it. Suspected triggers include viral infections, certain adhesive and coating materials, and organic solvents such as vinyl chloride or trichloroethylene. In the past, some people believed that silicone breast implants might have been a factor in developing connective tissue diseases such as scleroderma. But several studies have not shown evidence of a connection.

Hormones: By the middle to late childbearing years (ages 30 to 55), women develop scleroderma at a rate 7 to 12 times higher than men. Because of female predominance at this and all ages, scientists suspect that something distinctly feminine, such as the hormone estrogen, plays a role in the disease. So far, the role of estrogen or other female hormones has not been proven. (Source: excerpt from Handout on Health Scleroderma: NIAMS)

Medical news summaries relating to Scleroderma:

The following medical news items are relevant to causes of Scleroderma:

Related information on causes of Scleroderma:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Scleroderma may be found in:

Causes of Scleroderma: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Scleroderma.

Scleroderma: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

The cause of scleroderma is unknown. Known risk factors include exposure to silica dust and polyvinyl chloride.

Scleroderma affects more females than men, especially between ages 30 and 50. Approximately 30% of patients with scleroderma die within 5 years of onset.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005


 » Next page: Risk Factors for Scleroderma

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