BMC Research Notes | |
Asymptomatic tracheal MALT lymphoma discovered on spirometric findings presenting with elevated respiratory resistance | |
Fumitaka Ogushi4  Tadashi Yoshino1  Hiroko Toda1  Fumie Suehiro3  Hirofumi Nakanishi3  Hisanori Machida4  Tsutomu Shinohara2  Naoki Kadota4  | |
[1] Department of Pathology, Okayama University, 2-5-1 Shikata-cho, Okayama 700-8525, Japan;Department of Clinical Investigation, National Hospital Organization National Kochi Hospital, 1-2-25 Asakuranishimachi, Kochi 780-8077, Japan;Kochi Kenshin Clinic, 2-4-36 Chiyori-cho, Kochi 780-0806, Japan;Division of Pulmonary Medicine, National Hospital Organization National Kochi Hospital, 1-2-25 Asakuranishimachi, Kochi 780-8077, Japan | |
关键词: Impulse oscillometry; Flow–volume curve; Central airway obstruction; | |
Others : 1232411 DOI : 10.1186/s13104-015-1218-5 |
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received in 2014-08-09, accepted in 2015-05-29, 发布年份 2015 | |
【 摘 要 】
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.
【 授权许可】
2015 Kadota et al.
【 预 览 】
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20151114021249724.pdf | 3945KB | download | |
Figure3. | 150KB | Image | download |
Figure2. | 74KB | Image | download |
Figure1. | 32KB | Image | download |
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