Left inferior pneumothorax Left inferior pneumothorax

Findings: A pneumothorax is air between the visceral and parietal pleura. Air is lucent (jet black) on plain film. Air in...

Left pneumothorax producing deep sulcus sign on supine views Left pneumothorax producing deep sulcus sign on supine views

Findings: A pneumothorax is air between the visceral and parietal pleura. Air is lucent (jet black) on plain film. A...

Left skin fold mimicking pneumothorax Left skin fold mimicking pneumothorax

Findings: Elderly or cachectic patients have loose skin which may fold. A skin fold presents as a line which may be confused...

Liver Abscess, Pneumobilia, and Portal Vein Thrombosis on CT Scans Liver Abscess, Pneumobilia, and Portal Vein Thrombosis on CT Scans

Findings: There is a large abscess in the left and caudate lobes of the liver containing fluid and air. There is resultant...

Lung Contusion, Rib Fractures, and Aberrant Air Collections on CXR and CT Scan Lung Contusion, Rib Fractures, and Aberrant Air Collections on CXR and CT Scan

Findings: The CXR demonstrates aberrant air collections: pneumomediastinum, deep cervical emphysema, and subcutaneous...

Lung Laceration and Pneumothorax on CT Scans Lung Laceration and Pneumothorax on CT Scans

Findings: This patient received a stab wound to the left chest. The CT scans demonstrate the resultant subcutaneous...

Pneumomediastinum Pneumomediastinum

Findings: Air in the mediastinum is called pneumomediastinum. Pneumomediastinum may rupture into the pleural space and cause...

Pneumomediastinum, Deep Cervical Emphysema, and Subcutaneous Emphysema on CXR Pneumomediastinum, Deep Cervical Emphysema, and Subcutaneous Emphysema on CXR

Findings: This patient developed a “spontaneous” pneumomediastinum during an asthma attack. The CXR demonstrates lucencies...

Pneumopericardium Pneumopericardium

Findings: Pneumopericardium is air in the pericardial sac between the visceral and parietal pericardium. Pneumopericardium...

Pneumopericardium vs. pneumomediastinum Pneumopericardium vs. pneumomediastinum

Findings: Pneumopericardium presents radiologically with a black line (air) adjacent to the heart border and then a white...

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