Xerostomia Research Today is a free monthly online journal that collates and summarizes the latest research about Xerostomia, including details on dry mouth, treatment, causes, lack of saliva. | ||||||||
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Primary biliary cirrhosis (PBC)-CREST overlap syndrome with coexistence of Sjögren's syndrome and thyroid dysfunction.Nakamura T, Higashi S, Tomoda K, Tsukano M, Sugi K Section of Internal Medicine and Rheumatology, Kumamoto Center for Arthritis and Rheumatology, 1-15-7 Kuhonji, Kumamoto 862-0976, Japan. naktrkme@koh.marutakai.or.jp 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. Published 2 March 2007 in Clin Rheumatol, 26(4): 596-600.
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