CTICasesRuptured Rheumatoid Lung Nodule causing Pneumothorax
Imaging findings
CT chest shows a right-sided pneumothorax, with multiple thick-walled, cavitating, subpleural nodules in both lungs. A direct communication/fistula is visible between a cavitated subpleural nodule in the right lung and the pleural space.
Key takeaways
Rheumatoid nodules are a well-recognized pulmonary manifestation of rheumatoid arthritis, typically located in the subpleural regions. These nodules can cavitate and, if located adjacent to the visceral pleura, can rupture into the pleural space, causing a bronchopleural fistula and pneumothorax.
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