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Article Details
Clinical Image
Volume 4, Issue 10 (October Issue)

Bronchial Atresia Presenting with Two Bronchoceles

Inês Barreto1*, Inês Spencer1, Francisca Godinho Oliveira1, João Rodrigues Inácio2, Richard Staats1 and Cristina Bárbara1

1Department of Pulmonology, North Lisbon University Hospital Centre, Portugal

2Department of Radiology, North Lisbon University Hospital Centre, Portugal

*Corresponding author: Inês Barreto, Department of Pulmonology, North Lisbon University Centre, Portugal. E-mail: inesscbarreto@gmail.com

Received: September 11, 2022; Accepted: September 21, 2022; Published: October 05, 2022

Citation: Barreto I, Spencer I, Oliveira FG, et al. Bronchial Atresia Presenting with Two Bronchoceles. Clin Image Case Rep J. 2022; 4(10): 268.

Abstract

Bronchial atresia is a rare congenital lung abnormality characterized by the focal obliteration of the bronchial lumen, on a lobar, segmental or subsegmental level, usually associated with peripheral mucus impaction (bronchocele or mucocele) [1,2]. It presents with adjacent segmental or subsegmental hyperinflation, and reduction of vascularization of the involved segment or lobe.

A 66-year-old Caucasian man, former smoker (40 pack-years), with past medical history of arterial hypertension, type 2 diabetes mellitus, dyslipidemia, and obstructive sleep apnea was evaluated due to snoring and insomnia. The physical examination and laboratory tests were unremarkable. The pulmonary function tests presented no abnormalities.

Chest Computed Tomography (CT) identified at the superior and medial basal segments of the left lower lobe, hyperinflation and hyperlucent lung parenchyma, with tubular-shaped opacities with no communication with the adjacent bronchial tree representing bronchoceles. The findings were consistent with bronchial atresia presenting with two segmental bronchoceles of the left lower lobe.

Bronchial atresia is a developmental lung abnormality usually presenting as an incidental finding on imaging. The presentation with two bronchoceles is uncommon. Although it may be associated with recurrent infections in 20% of the cases, most of the patients are young, asymptomatic and have no abnormalities on physical examination or laboratory tests. Chest CT is the preferred modality for diagnosing bronchial atresia [1]. Treatment is conservative in asymptomatic patients. When there is suspicion of malignancy as the cause of obstruction or complications secondary to the atretic bronchus, surgical resection may be performed [1].

Keywords: Bronchial atresia; Bronchocele; Mucocele; Congenital abnormality; Segmentary hyperinflation