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  • Title: Tubuloreticular structures in different types of myositis: implications for pathogenesis.
    Author: Bronner IM, Hoogendijk JE, Veldman H, Ramkema M, van den Bergh Weerman MA, Rozemuller AJ, de Visser M.
    Journal: Ultrastruct Pathol; 2008; 32(4):123-6. PubMed ID: 18696397.
    Abstract:
    In dermatomyositis (DM) there is strong histopathological evidence of a microvascular pathogenesis, including endothelial microtubular inclusions. In nonspecific myositis, perimysial and perivascular infiltrates in the muscle biopsy similar to DM are found. Microtubular inclusions in endothelial cells were systematically searched for and found in 4 of the 20 muscle biopsies of nonspecific myositis patients (20%). Three had a CTD (SLE, scleroderma, and Sjogren syndrome). Ten patients with DM and 5 patients with sporadic inclusion body myositis served as positive and negative controls, respectively.
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