A Case of Tracheal Stenosis Induced by Mucosa-associated Lymphatic Tissue Lymphoma: Effective Treatment with Argon Plasma Coagulation

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  • Yamanaka Miwa
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Sonehara Kei
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Ishida Yukiko
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Komatsu Masamichi
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Kitaguchi Yoshiaki
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Ushiki Atsuhito
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Yamamoto Hiroshi
    First Department of Internal Medicine, Shinshu University School of Medicine
  • Yasuo Masanori
    Department of Clinical Laboratory Sciences, Shinshu University School of Health Sciences
  • Hanaoka Masayuki
    First Department of Internal Medicine, Shinshu University School of Medicine

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  • 気管原発MALTリンパ腫による気道狭窄解除に対して気管支鏡下アルゴンプラズマ凝固法が奏効した1例

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Abstract

<p>Background. Mucosa-associated lymphatic tissue (MALT) lymphoma localized in the trachea or bronchus is a rare disease. The prognosis of primary tracheobronchial MALT lymphoma is reportedly good. However, the progression of symptoms associated with tracheal stenosis necessitates tracheal dilatation or bronchodilation. Case Presentation. A 75-year-old woman presented to our hospital with a 10 month history of dyspnea on exertion, and chest computed tomography (CT) revealed a tracheal tumor. The tracheal tumor occupied 80% of the tracheal lumen. We performed a bronchoscopic biopsy to establish a diagnosis and argon plasma coagulation (APC) therapy for tracheal dilatation. A histopathological diagnosis of MALT lymphoma was made. The patient underwent positron emission tomography-CT and a bone marrow biopsy and was diagnosed with primary tracheobronchial MALT lymphoma. Conclusion. Bronchoscopic APC is a useful diagnostic biopsy technique. It also proved useful for tracheal dilatation of MALT lymphoma of tracheal origin with tracheal stenosis.</p>

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