Tuberc Respir Dis.  2013 Apr;74(4):177-180. 10.4046/trd.2013.74.4.177.

Bronchogenic Cyst Rupture and Pneumonia after Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration: A Case Report

• Hong G
• Song J
• Lee KJ
• Jeon K
• Koh WJ
• Suh GY
• Chung MP
• Kim H
• Kwon OJ
• Um SW

• KMID: 1495858
• DOI: http://doi.org/10.4046/trd.2013.74.4.177

Abstract

We report a 54-year-old woman who presented with a well-defined, homogeneous, and non-enhancing mass in the retrobronchial region of the bronchus intermedius. The patient underwent endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) for histological confirmation. Serous fluid was aspirated by EBUS-TBNA. Cytological examination identified an acellular smear with negative microbiological cultures. The patient was finally diagnosed with bronchogenic cysts by chest computed tomography (CT) and EBUS-TBNA findings. However, 1 week after EBUS-TBNA, the patient developed bronchogenic cyst rupture and pneumonia. Empirical antibiotics were administered, and pneumonia from the bronchogenic cyst rupture had resolved on follow-up chest CT. To our knowledge, this is the first reported case of pneumonia from bronchogenic cyst rupture after EBUS-TBNA.

Keyword

Bronchogenic Cyst; Rupture; Pneumonia; Ultrasonography; Biopsy, Fine-Needle

MeSH Terms

Anti-Bacterial Agents
Biopsy, Fine-Needle
Bronchi
Bronchogenic Cyst
Female
Follow-Up Studies
Humans
Needles
Pneumonia
Rupture
Thorax
Anti-Bacterial Agents

Figure

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  Figure 1 Initial chest computed tomography (CT) and endobronchial ultrasound (EBUS) findings. (A, B) Contrast-enhanced CT before EBUS-guided transbronchial needle aspiration showing a well-defined, homogeneous, and non-enhancing mass in the retrobronchial region of the bronchus intermedius. (C) EBUS image showing a round, low-echogenic mediastinal mass.

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  Figure 2 Chest computed tomography (CT) findings after endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). (A, B) Contrast-enhanced CT at 1 week after EBUS-TBNA showing pneumonic consolidation communicating with an adjacent bronchogenic cyst. (C, D) Contrast-enhanced CT at 4 months after EBUS-TBNA showing interval improvement of combined pneumonia over the bronchogenic cyst in the right upper lobe.

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