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Systemic sclerosis (SSc) is an immune-mediated disorder characterized by multiple organ fibrotic alterations and diffuse microangiopathy. The SSc can be associated with other connective tissue diseases and less frequently with systemic vasculitides, including cryoglobulinemic vasculitis (CV). The aim of the present study was to investigate the prevalence of CV in a large series of SSc patients.

The presence of serum cryoglobulins was detected in 246 SSc patients (24 M and 222 F, age 61 ± 13.5 SD years, disease duration 9.3 ± 6.7 SD years); the observed clinico-serological findings, in particular the presence of SSc–CV overlapping syndrome, were carefully analyzed and compared with previous data reported in the literature.

The presence of circulating cryoglobulins was found in 7/246 (2.8%) of SSc patients; namely, 2 subjects only trace amounts of cryoglobulins, while 5 (2%) showed …