Oesophageal duplication cyst resembling congenital lobar emphysema

Suman Bisht1, Sanjay Bafna2, Tanvi Bafna3

  • 1Pediatric Pulmonology, Bharati Vidyapeeth (Deemed to be University) Medical College, Pune, Maharashtra, India.

BMJ Case Reports
|October 16, 2025
PubMed

Insights

A rare esophageal duplication cyst caused severe breathing problems in an infant by compressing her left main bronchus. Surgical removal of the cyst successfully improved her lung function and breathing.

Area of Science:

  • Pediatric Surgery
  • Thoracic Surgery
  • Medical Imaging

Background:

  • Esophageal duplication cysts are rare congenital anomalies.
  • They can present with diverse symptoms depending on location and size.
  • Respiratory compromise in infants can be a serious manifestation.

Purpose of the Study:

  • To report a case of an infant with respiratory distress caused by an esophageal duplication cyst.
  • To highlight the diagnostic challenges and successful management of this condition.

Main Methods:

  • Case presentation of a female infant with respiratory symptoms.
  • Diagnostic workup including chest X-ray, CT scan, and bronchoscopy.
  • Surgical excision of the cyst via thoracotomy.

Main Results:

  • Imaging revealed a subcarinal hypodense lesion compressing the left main bronchus.
  • Bronchoscopy confirmed extrinsic compression of the left main bronchus.
  • Histopathology confirmed an esophageal duplication cyst.
  • Postoperative improvement in left lung aeration and respiratory status.

Conclusions:

  • Esophageal duplication cysts should be considered in the differential diagnosis of neonatal respiratory distress.
  • Multimodality imaging and bronchoscopy are crucial for diagnosis.
  • Surgical excision is an effective treatment for symptomatic esophageal duplication cysts.

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