* There is no distinct cause for<unk> . * Scleroderma can develop in every age group from infants to the elderly, but its onset is most frequent between the ages of 25 to 55. * In most cases it is observed that the disease involves an overproduction of collagen.
Scleromyositis
Dermatomyositis
Pyomyositis
Juvenile dermatomyositis
Dermatopolymyositis
Inclusion body myositis
Polymyositis
Anetoderma