Portal vein thrombosis and more - 'polo mint' sign

Case contributed by Dr Ian Bickle

Presentation

Vague, persistent crampy abdominal pain.

Patient Data

Age: 45 years old
Gender: Male

The left hepatic, portal, splenic and superior mesenteric veins contain large volume thrombus. The portal vein, has large central thrombus with a rim of surrounding luminal contrast, in keeping with the 'polo mint' sign.

Variable attenuation of the liver, due to the venous thrombus and thick walled jejunum in the left side of the abdomen, likely due to venous congestion, secondary to the superior mesenteric vein thrombosis.

"polo mint" sign. 

Case Discussion

Although originally described on CTPA with a pulmonary embolus, the 'polo mint' sign, can refer to any venous thrombosis on CT where a thin rim of contrast (white like a polo mint) is around the central thrombus.  The forms the configuration of the popular confectionary the polo mint.

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Case information

rID: 21055
Case created: 2nd Jan 2013
Last edited: 6th Dec 2016
Inclusion in quiz mode: Included

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