A case of localized nodular pulmonary amyloidosis with ossification

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  • Chiba Kensuke
    Department of Oncology, Immunology and Surgery, Nagoya City University Graduate School of Medical Sciences Division of Thoracic Surgery, Respiratory Disease Center, Seirei Mikatahara General Hospital
  • Tanahashi Masayuki
    Division of Thoracic Surgery, Respiratory Disease Center, Seirei Mikatahara General Hospital
  • Suzuki Eriko
    Division of Thoracic Surgery, Respiratory Disease Center, Seirei Mikatahara General Hospital
  • Yoshii Naoko
    Division of Thoracic Surgery, Respiratory Disease Center, Seirei Mikatahara General Hospital
  • Watanabe Takuya
    Division of Thoracic Surgery, Respiratory Disease Center, Seirei Mikatahara General Hospital

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  • 内部に骨化巣を伴った限局性結節性肺アミロイドーシスの1例

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Abstract

<p>Amyloidosis is the deposition of a fibrous protein called amyloid in an organ. We present a case of localized pulmonary amyloidosis in a 56-year-old Brazilian man whose chest radiograph showed an abnormal shadow in the right hilar region, and computed tomography revealed a 3-cm tumor in the right hilar region, accompanied by a high-absorption area with suspected calcification inside. A definitive diagnosis could not be reached with endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). Thoracoscopic right lung tumor resection was performed for diagnosis and treatment of the tumor. The pathological diagnosis was type AA amyloidosis containing ossification foci.</p>

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