I hope you found the link that Karenboss provided helpful. If not, let us know and we will do more research on your question.
Scleroderma is one of the many "sister-diseases" of Lupus. It is an auto-immune disease and researchers have determined that one possible cause of auto-immune diseases could be environmental factors.
Please let us know if you need anything further and also know that if your diagnosis is Scleroderma, you are still very welcome to particpate and remain a member here. Any auto-immune disorder is a part of our family here.
Peace and Blessings
Look For The Good and Praise It!