Joint, bone, spine : revue du rhumatisme
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We describe a 66-year-old woman with cutaneous lesions typical of classic dermatomyositis, clinical evidence of antisynthetase syndrome (arthritis, Raynaud's phenomenon, mechanic's hands and interstitial lung disease with anti-Jo-1 autoantibody) and lack of muscle disease after a full muscle evaluation that included clinical, enzymatic, electromyographic, magnetic resonance imaging and histological studies. The patient did not develop myositis after 9 years of clinical disease. The association of dermatomyositis sine myositis with antisynthetase antibodies suggests that the characteristic skin lesions are closely linked with dermatomyositis on the basis of the similar clinical and serological features of both dermatomyositis sine myositis and classic dermatomyositis.
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To assess the prevalence of fibromyalgia in primary Sjögren's syndrome and to evaluate the clinical differences between patients affected with both primary fibromyalgia and primary Sjögren's syndrome and those affected only with primary fibromyalgia. ⋯ As recently reported by other authors, our study confirms the moderate increase of fibromyalgia prevalence in primary Sjögren's syndrome. Typical fibromyalgic findings are quite similar to those of primary fibromyalgia, but surprisingly, primary Sjögren's syndrome patients with fibromyalgia show a less severe global involvement than those with primary Sjögren's syndrome alone.