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 | |
| Publication status | Published - Dec 14 2015 |
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Keywords
- Central airway obstruction
- Flow-volume curve
- Impulse oscillometry
ASJC Scopus subject areas
- Biochemistry, Genetics and Molecular Biology(all)
- Medicine(all)
Cite this
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
}
TY - JOUR
T1 - Asymptomatic tracheal MALT lymphoma discovered on spirometric findings presenting with elevated respiratory resistance
AU - Kadota, Naoki
AU - Shinohara, Tsutomu
AU - Machida, Hisanori
AU - Nakanishi, Hirofumi
AU - Suehiro, Fumie
AU - Toda, Hiroko
AU - Yoshino, Tadashi
AU - Ogushi, Fumitaka
PY - 2015/12/14
Y1 - 2015/12/14
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
UR - http://www.scopus.com/inward/record.url?scp=84939263997&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84939263997&partnerID=8YFLogxK
U2 - 10.1186/s13104-015-1218-5
DO - 10.1186/s13104-015-1218-5
M3 - Article
C2 - 26048050
AN - SCOPUS:84939263997
VL - 8
JO - BMC Research Notes
JF - BMC Research Notes
SN - 1756-0500
IS - 1
M1 - 223
ER -