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

doi:10.1186/s13104-015-1218-5

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 journal › Article › peer-review

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 language	English
Article number	223
Journal	BMC Research Notes
Volume	8
Issue number	1
DOIs	https://doi.org/10.1186/s13104-015-1218-5
Publication status	Published - 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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10.1186/s13104-015-1218-5

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Asymptomatic tracheal MALT lymphoma discovered on spirometric findings presenting with elevated respiratory resistance. / Kadota, Naoki; Shinohara, Tsutomu; Machida, Hisanori; Nakanishi, Hirofumi; Suehiro, Fumie; Toda, Hiroko; Yoshino, Tadashi; Ogushi, Fumitaka.

In: BMC Research Notes, Vol. 8, No. 1, 223, 14.12.2015.

Research output: Contribution to journal › Article › peer-review

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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.",

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AU - Kadota, Naoki

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AU - Machida, Hisanori

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AU - Suehiro, Fumie

AU - Toda, Hiroko

AU - Yoshino, Tadashi

AU - Ogushi, Fumitaka

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N2 - 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.

AB - 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.

KW - Central airway obstruction

KW - Flow-volume curve

KW - Impulse oscillometry

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

Abstract

Keywords

ASJC Scopus subject areas

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