Bilateral subcutaneous emphysema Bilateral subcutaneous emphysema

Findings: Air is lucent (jet black) on plain film. There is streaky air in the subcutaneous tissue bilaterally.

Right inferior pneumothorax with underlying lung infiltrate Right inferior pneumothorax with underlying lung infiltrate

Findings: Black air without lung markings is noted in a subpulmonic location- highlighted in the box. The right lung shows...

Boerhaave's Syndrome on CXR and BaSw Boerhaave's Syndrome on CXR and BaSw

Findings: The CXR shows aberrant air secondary to the perforated esophagus; subcutaneous emphysema and pneumomediastinum....

Right pneumothorax on left lateral decubitus view Right pneumothorax on left lateral decubitus view

Findings: If in doubt, a nondependent lateral decubitus view may be performed to help identify a pneumothorax. A...

Free Abdominal Air aka Pneumoperitoneum on CXR Free Abdominal Air aka Pneumoperitoneum on CXR

Findings: The CXR demonstrates crescentic lucent air collections below both hemidiaphragms. This is the classic appearance...

Diverticulitis of the Sigmoid Colon with Colovesical Fistula on CT Scans Diverticulitis of the Sigmoid Colon with Colovesical Fistula on CT Scans

Findings: The sigmoid shows diverticula and is attached to the dome of the bladder. A fistulous tract is seen filled with...

Right tension pneumothorax with collapsed lung Right tension pneumothorax with collapsed lung

Findings: A tension pneumothorax is life threatening and requires urgent decompression. Radiologically, a tension...

Bowel Ischemia with Pneumatosis Coli and Portal Venous Gas on CT scans Bowel Ischemia with Pneumatosis Coli and Portal Venous Gas on CT scans

Findings: The contrast enhanced CTs show air in the bowel wall and portal venous system, which is classic for bowel ischemia...

Right skin folds mimicking pneumothorax Right skin folds mimicking pneumothorax

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

Gallstone Ileus on CT Scans Gallstone Ileus on CT Scans

Findings: This CT demonstrates the classic Rigler’s Triad of gallstone ileus: Pneumobilia (air in the biliary tract), low...

 
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