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...

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...

Diverticulitis of the Sigmoid Colon with Extraluminal Air on CT Scan Diverticulitis of the Sigmoid Colon with Extraluminal Air on CT Scan

Findings: There are diverticula and thickening of the walls of the sigmoid colon with an adjacent extraluminal air pocket...

Diverticulitis: Pelvic Abscess with Fistulae Diverticulitis: Pelvic Abscess with Fistulae

Findings: There is a large gas containing pelvic abscess with adjacent tiny collections of air and contrast in fistulous...

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...

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...

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...

Pneumoperitoneum with Cupola Sign on CXR Pneumoperitoneum with Cupola Sign on CXR

Findings: There is an arcuate lucency in the superior abdomen on the supine CXR. There is bilateral pulmonary infiltrates...

Pneumoperitoneum: Crescent Sign and Rigler’s Sign on Plain Films Pneumoperitoneum: Crescent Sign and Rigler’s Sign on Plain Films

Findings: The upright AP film demonstrates large crescent-shaped lucencies indicative of free air under both...

 
 
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