Information on Juvenile Dermatomyositis
Juvenile dermatomyositis, or JDM, is a disease marked by muscle weakness and skin rash. Skin changes around the eyelids and over the knuckles and finger joints are also seen.
Juvenile dermatomyositis is one of the conditions in a group of conditions called the dermatomyositis/polymyositis complex. The conditions in this complex are characterized by muscle damage due to an inflammatory process of the blood vessels that lie under the skin and muscles. Juvenile Myositis (JM) is found in children under the age of 18and affects 3,000 to 5,000 children in the United States. Juvenile dermatomyositis is the condition most often seen in children.
Understanding Sacroiliitis
Ankylosing spondilitis is a chronic systemic inflammatory disorder of an uncertain aetiology.
Sacroiliitis is the inflammation in the sacroiliac joints. Using conventional x-rays to detect this can be problematic and it can take seven to ten years of disease progression for the changes in the joints to be serious enough to show up. This is the pathologic hallmark, and usually one of the earliest manifestations , of ankylosing spondylitis.
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