Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
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Year : 2020  |  Volume : 15  |  Issue : 2  |  Page : 95-97

Mediastinal cyst infection followed by bacteremia due to Streptococcus anginosus after endobronchial ultrasound-guided transbronchial needle aspiration

Department of Respiratory Medicine and Infectious Diseases, Faculty of Medicine, Oita University, Oita, Japan

Correspondence Address:
Dr. Masaru Ando
Department of Respiratory Medicine and Infectious Diseases, Faculty of Medicine, Oita University, Oita
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/atm.ATM_42_20

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We herein report a case of recurrent mediastinal cyst infection followed by bacteremia after endobronchial ultrasound-guide transbronchial needle aspiration (EBUS-TBNA). A 65-year-old Japanese male with sarcoidosis presented with 4 L progressive lymph node adenopathy and was diagnosed with mediastinal cyst by EBUS-TBNA. After bronchoscopy, he suffered from a high fever. Chest computed tomography showed enlargement of the 4 L lymph node with low attenuation areas, the elevation of mediastinal fat concentration. Blood cultures were positive for Streptococcus anginosus. Antimicrobial agents were administered for a total of 12 weeks, at which point the size of the lymph node was reduced. However, at 5 months after the discontinuation of antimicrobial agents, the mediastinal cyst infection recurred. It is important to conduct careful follow-up because mediastinal cyst infection following ebus-tbna may relapse with conservative treatment without invasive surgery.

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