Asymptomatic tracheal MALT lymphoma discovered on spirometric findings presenting with elevated respiratory resistance

Naoki Kadota, Tsutomu Shinohara, Hisanori Machida, Hirofumi Nakanishi, Fumie Suehiro, Hiroko Toda, Tadashi Yoshino, Fumitaka Ogushi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: Central airway obstruction (CAO) may be caused by various etiologies. However, conventional chest X-rays are rarely diagnostic for patients with CAO. Case presentation: We here described a 64-year-old asymptomatic female with tracheal mucosa-associated lymphoid tissue lymphoma discovered on spirometric findings during a complete physical examination. The plateau of forced expiratory flow was consistent with CAO. A decreased peak expiratory flow rate was noted at least 3 years before the diagnosis, and was attributed to an insufficient effort by the patient. Impulse oscillometric measurements, which were taken during quiet breathing and were effort-independent, suggested elevated respiratory resistance. These abnormalities completely disappeared after radiation therapy. Conclusion: The addition of impulse oscillometry to spirometry may be useful for screening CAO in routine health examinations.

Original languageEnglish
Article number223
JournalBMC Research Notes
Volume8
Issue number1
DOIs
Publication statusPublished - Dec 14 2015

Keywords

  • Central airway obstruction
  • Flow-volume curve
  • Impulse oscillometry

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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