Incidental Finding of Congenital Thoracic Malformations in Adult Population

Objective: Evaluation of abnormal adult chest computed tomography (CT) scans. Study Design: Retrospective series of 3 cases. Setting: Two University-based hospitals. Intervention: Three adult patients (age range 56 to 61) underwent chest CT scans. Two were trauma patients and one complained of chest pain with a negative cardiac workup. One CT scan revealed a lung mass that was highly suspicious for malignancy and the other two CT scans were suspicious for diaphragmatic hernia. Two patients underwent elective surgery and the third underwent emergent surgery. Results: The CT scan of patient 1 was suspicious for malignancy; however, the pathology of the lung mass revealed only inflammation consistent with an intralobular bronchopulmonary sequestration. Patient 2 had a congenital Morgagni hernia with omentum and colon in the mediastinum, and patient 3 had a diaphragmatic defect combined with a bifid sternum and defective pericardium, fulfilling three criteria of pentalogy of Cantrell. Conclusion: Thoracic congenital malformations may go unnoticed and unsuspected until adulthood. They should be kept in mind when reviewing unusual CT scans of the chest in adults. Their surgical management, however, is similar to their counterparts in infancy.

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