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Epidermal nuclear CIq deposits in a patient with amyopathic dermatomyositis |
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European Journal of Dermatology. Volume 9, Number 2, 115-7, March 1999, Cas clinique |
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 Free Article
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Author(s) : S. Shirai, K. Tomita, F. Furukawa |
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Summary : We report a case of amyopathic dermatomyositis, in which C1q deposits on the epidermal nucleus were immunohistologically found as well as Ig deposits at the dermoepidermal junction (DEJ). Direct immunofluorescence (IF) examination of infiltrated erythematous lesions revealed C1q deposits on the epidermal nucleus and fibrinogen at the DEJ, and examination of hyperkeratotic erythematous lesions showed linear deposits of Ig G and Ig A at the DEJ but not in the nuclei of epidermal cells. The authors discuss the direct in vivo interaction between nucleus and immunoreactants in dermatomyositis. |
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Keywords : dermatomyositis, skin, nucleus, C1q, immunohistochemistry, auto-antibody, complement. |
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Copyright © 2007 John Libbey Eurotext - Tous droits réservés