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©2013 UpToDate ® Print Email Atypical pneumothorax Chronic atypical pneumothorax in patient with known rheumatoid arthritis, bibasilar pulmonary fibrosis, and left pleural effusion. Chest radiograph (left panel) shows right infero-lateral collection of intrapleural gas with an atypical concave pleural edge toward the chest wall and the costophrenic sulcus. CT scan (right panel) shows right basilar hydropneumothorax and the collapsed right lower lung with a thickened visceral pleura. Courtesy of Paul Stark, MD.
©2013 UpToDate ® Print Email Atypical pneumothorax Chronic atypical pneumothorax in patient with known rheumatoid arthritis, bibasilar pulmonary fibrosis, and left pleural effusion. Chest radiograph (left panel) shows right infero-lateral collection of intrapleural gas with an atypical concave pleural edge toward the chest wall and the costophrenic sulcus. CT scan (right panel) shows right basilar hydropneumothorax and the collapsed right lower lung with a thickened visceral pleura. Courtesy of Paul Stark, MD. Chest radiograph of an atypical pneumothorax Left inferolateral atypical pneumothorax in patient with emphysema and pleural adhesions. Left panel: Chest radiograph shows left basilar collection of pleural gas with concave visceral pleural edge toward the chest wall. At first glance, this resembles a bulla. Right panel: After drainage of the pneumothorax, no evidence of a bulla is seen. Courtesy of Paul Stark, MD. Normal chest radiograph Posteroanterior view of a normal chest radiograph. Courtesy of Carol M Black, MD. CT scan of a loculated pneumothorax in a patient with AIDS CT scan shows multiple pockets of loculated gas in the right hemithorax due to multiple adhesions from previous recurring bouts of pneumothorax. A small loculated effusion is seen in the right major fissure and simulates a solitary pulmonary nodule. Courtesy of Paul Stark, MD. CT scan of a trapped lung hematoma Chronic left pneumothorax in patient post CABG due to trapped lung. CT scan shows left pneumothorax with chest tube in place, filiform posterior adhesions, and a thick visceral pleura encasing the collapsed left lung. Courtesy of Paul Stark, MD.