[Systemic scleroderma and sarcoidosis: 3 new cases].
We observed 3 patients with successive scleroderma (SS) and (what is considered to be) sarcoidosis (SA). The diagnosis SS included in the 3 patients: Raynaud's syndrome with pulpal necrosis and capillaritis, sclerodactylia and acro-osteolysis, multiple joint pain and FAN+. Also observed were: esophagus involvement (n = 3), pulmonary artery hypertension (n = 1), telangiectasia (n = 2) and anti-Scl 70 (n = 2). Initially, all patients had restrictive pulmonary disease. SS was diagnosed 5 to 9 years prior to SA in 2 patients. Diagnosis of SA was based on the following arguments: Loëfgren's syndrome with erythema nodosa (n = 1), parotiditis (n = 2), sicca syndrome (n = 2), myalgia (n = 2), joint involvement (n = 2), non-infectious pluropericarditis (n = 2), epitheloid and giant cell granulomas without caseous necrosis (lung = 3, liver = 1, lymph nodes = 1, salivary glands = 1, synovia = 1), negative search for bacilli, elevated conversion enzyme (n = 1) and, in each case, by the lack of any other cause. One patient died from lung cancer and another from respiratory failure. Nome of the patients had primary biliary cirhosis. This rare association between SS and SA demonstrates the confluent limits of certain systemic diseases and raises a difficult problem to differentiate pulmonary involvement in these diseases. The gravity of this localization and the poor sensitivy to corticosteroids.
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