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Tracheobronchial stenting in an infant with an anomalous right main bronchus
Kalpana S Depasquale1, John A Tucker, Barbara Wolfson
1Department of Otolaryngology, Flagler Hospital, St. Augustine, Fla, USA. kdepasquale@saent.net
Insights
This study details a rare congenital bronchial anomaly in an infant, characterized by a long right main bronchus and left main bronchus stenosis. Treatment involved a tracheobronchial stent, successfully resolving respiratory distress.
Area of Science:
- Pediatric Pulmonology
- Congenital Thoracic Anomalies
Background:
- Congenital bronchial anomalies are infrequently documented and often asymptomatic.
- This case highlights a rare combination of developmental abnormalities affecting both right and left main bronchi.
Observation:
- A 2-month-old infant presented with respiratory distress due to a unique bronchial malformation.
- The anomaly included a long right main bronchus with trifurcation of all right lobes from a single point and left main bronchus stenosis.
Findings:
- The patient exhibited right upper lobe atelectasis, left-sided hyperinflation, and a significant right mediastinal shift.
- Endoscopic stenting of the left main bronchus successfully repositioned the mediastinum and alleviated respiratory distress.
Implications:
- This case expands the understanding of congenital bronchial anomalies and their complex presentations.
- Successful management with a tracheobronchial stent offers a potential therapeutic approach for similar rare conditions.
Abstract:
Congenital anomalies of the right main bronchi have not been fully described. Bronchial anomalies are usually asymptomatic unless they coexist with other abnormalities. We describe a rare bronchial anomaly in a 2-month-old girl in which the right upper lobe, middle lobe, and lower lobe bronchi all originated at the same point as a result of a developmental teratogenic long right main bronchus and an absent bronchus intermedius. Furthermore, the left main bronchus contained a proximal segment of stenosis. This combination of anomalies, along with right upper lobe atelectasis and left-sided hyperinflation, resulted in a severe right mediastinal shift and respiratory distress. The mediastinum was returned to midline with endoscopic placement of an in-dwelling tracheobronchial stent into the left main bronchus. To the best of our knowledge, the specific developmental anomaly in our patient has not been previously described.
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