PubMed · 11867856
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A M Vijayalakshmi. 2002. Scleroderma--CREST syndrome.. https://pubmed.ncbi.nlm.nih.gov/11867856/
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Calcinosis, Raynaud's phenomenon, oesophageal dysmotility, sclerodactyly, telangiectasia (CREST) syndrome, a limited form of systemic sclerosis, is sometimes complicated by primary biliary cirrhosis (PBC). A 52- and 61-year-old Japanese woman with PBC-CREST overlap syndrome accompanied by Sjögren's syndrome, and Hashimoto's thyroiditis, and Graves' disease, respectively, are reported. They had suffered from Raynaud's phenomena, sclerodactyly, morning stiffness, arthralgia, and sicca symptoms during these several years. They exhibited an increased level of alkaline phosphatase, gamma-glutamyl transpeptidase, positive antibodies against mitochondria and centromere, and hyperglobulinemia without any cholestatic symptoms. Histological findings from liver biopsy specimens were consistent with those of PBC. Clinically, they were diagnosed as both asymptomatic PBC and incomplete CREST syndrome. Their human leukocyte antigen typing showed both DR4 and DR8 positive. The association of the four autoimmune conditions is clinically and etiologically important. Although a combination of these diseases is rare, it is of importance to keep in mind that various autoimmune diseases could occur simultaneously. Of critical importance is that an active diagnostic attitude towards them is admirable, and that early diagnosis and therapy are needed.
Systemic sclerosis, scleroderma (SSc) is a disabling condition that shortens life expectancy. Disease heterogeneity and difficulties separating SSc from SSc-like conditions make classification an important issue. Limited cutaneous and diffuse cutaneous SSc, with different severity and survival, have been recognized for several years as distinct subsets. Some authors have suggested an intermediate cutaneous form with intermediate survival. This issue remains unsettled, however. The technique of capillaroscopy is helpful as an adjunct diagnostic tool to separate idiopathic Raynaud's phenomenon from SSc. Digitized video-capillaroscopy is developing as a powerful new method to assess individual capillaries over time. Using the simpler techniques of video-capillaroscopy, different patterns have been described and named 'early', 'active', 'late' and 'slow'. The value of nailfold video-capillaroscopy to distinguish different subsets or provide prognostic information for use in daily practice remains to be assessed. The features of CREST (calcinosis, Raynaud's, oesophagus dysmotility, sclerodactyly, telangiectasias) are not confined to single subsets of SSc. There is no convincing evidence of any advantage for distinguishing the limited, intermediate and diffuse forms of SSc rather than only the limited and diffuse forms.
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