A CASE OF HYPERSENSITIVITY PNEUMONITIS CAUSED BY LYOPHYLLUM KARST

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  • Taniguchi Hirokazu
    Department of Internal Medicine, Toyama Prefectural Central Hospital
  • Miwa Toshiro
    Department of Internal Medicine, Toyama Prefectural Central Hospital
  • Abo Hitoshi
    Department of Radiology, Toyama Prefectural Central Hospital
  • Miyazawa Hideki
    Department of Thoracic Surgery, Toyama Prefectural Central Hospital
  • Noto Hirofumi
    Department of Thoracic Surgery, Toyama Prefectural Central Hospital
  • Uchiyama Akio
    Department of Clinical Pathology, Toyama Prefectural Central Hospital
  • Miwa Atsuo
    Department of Clinical Pathology, Toyama Prefectural Central Hospital
  • Izumi Saburo
    Department of Internal Medicine, Toyama Prefectural Central Hospital

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Other Title
  • しめじ包装従事者に発症した過敏性肺臓炎の1例
  • 症例報告 しめじ包装従事者に発症した過敏性肺臓炎の1例
  • ショウレイ ホウコク シメジ ホウソウ ジュウジシャ ニ ハッショウ シタ カビンセイ ハイゾウエン ノ 1レイ

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A 52-year-old woman who has worked at factory to check pack Lyophyllum karst for six years consulted another doctor for dry cough as common cold. After a month, low grade fever, dyspnea on effort, and productive cough brought her to our hospital. Her chest radiographs showed multiple small nodular shadows and ground glass opacities in entire lung fields. Histopathological examination of transbronchial lung biopsy specimen revealed granuloma and thickening of alveolar septa with lymphocytes infiltration. She was admitted to our hospital for hypersensitivity pneumonitis and prescribed predonisorone 30mg/day. Her symptoms and the finding of chest radiograph improved in two weeks. The precipitation antibodies to Lyophyllum karst were positive and the symptoms exacerbated by going to work. Those finding suggests that hypersensitivity pneumonitis in this case. After quitting her job, she has had no relapse by tapering steroids.

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