BMC research notes · 2015
Asymptomatic tracheal MALT lymphoma discovered on spirometric findings presenting with elevated respiratory resistance.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Kadota Naoki, Shinohara Tsutomu, Machida Hisanori, Nakanishi Hirofumi, Suehiro Fumie, Toda Hiroko, Yoshino Tadashi, Ogushi Fumitaka
Аннотация
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.
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.