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Cough-Induced Rib Fractures and Lung Herniation

Cough-Induced Rib Fractures and Lung Herniation▶ Watch on YouTube — age-restricted, cannot embed here

Imaging findings

Chest CT shows a large defect in the lateral chest wall with marked widening of the intercostal space and herniation of a portion of the right lung into the subcutaneous soft tissues. Subacute to chronic rib fractures with callus formation are noted on the affected side. The patient had a history of violent coughing episodes.

Key takeaways

Severe, violent coughing can generate enough intrathoracic pressure to cause rib fractures, intercostal muscle tears, and subsequent lung herniation through the chest wall defect. This rare but dramatic complication is most common in patients with a history of prior thoracotomy or chest wall weakness, though it can occur in normal chest walls under extreme physical stress.

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