Systemic sclerosis (SSc) is an autoimmune connective tissue disease characterized by excessive collagen deposition in the skin and internal organs with associated vasculopathy and autoantibody production [1]. Classification of SSc is divided into two main groups: limited and diffuse cutaneous disease [2]. The limited form is characterized by skin thickening that is confined to areas distal to the elbows and knees and generally is associated with less severe internal organ involvement. The diffuse form involves skin thickening proximal to the elbows and the knees as well as distal areas and is associated with more severe organ damage. This chapter will focus on the epidemiology of systemic sclerosis including both limited and diffuse cutaneous forms.
CITATION STYLE
Barnes, J. K., & Mayes, M. D. (2012). Epidemiology and environmental risk factors. In Scleroderma: From Pathogenesis to Comprehensive Management (pp. 17–28). Springer US. https://doi.org/10.1007/978-1-4419-5774-0_4
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