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John Morrow ... [et al.]
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図書
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Sir Macfarlane Burnet
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論文
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Takato, Hazuki ; Yasui, Masahide ; Ichikawa, Yukari ; Fujimura, Masaki ; Nakao, Shinji ; Zen, Yoh ; Minato, Hiroshi
概要:
金沢大学医薬保健研究域医学系<br />Recently, great attention has been drawn to IgG4-related diseases such as autoimmune pancreatitis (A
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IP) sclerosing sialadenitis, retroperitoneum fibrosis, sclerosing cholangitis. IgG4-related diseases are characterized by high serum IgG4 concentrations, sclerosing inflammation with numerous IgG4-positive plasma cells, and steroid sensitivity irrespective of their organs of origin. In this report, we describe a case of nonspecific interstitial pneumonia, in which possible involvement of IgG4 was suggested. The patient was 59-year-old man, who was found to have bilateral interstitial pneumonia. Laboratory tests revealed that he had antinuclear antibody and a high serum IgG4 concentration. Pathological examination of the video-assisted thoracic surgery biopsy taken from the right lower lobe showed interstitial thickening associated with lymphoplasmacytic infiltration containing many IgG4-positive plasma cells. He was effectively treated by corticosteroid. The present case had many clinical and clinicopathologic similarities to systemic IgG4-related autoimmune disease. There have been no descriptions on isolated interstitial pneumonia with IgG4-positive plasma cell infiltration. This case suggested that IgG4-related disorders could also occur in the lung, and interstitial pneumonia may be a pulmonary manifestation of systemic IgG4-related autoimmune disease © 2008 The Japanese Society of Internal Medicine.
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