Northern exposure sign

The northern exposure sign has been described as a high specificity sign in sigmoid volvulus. On a supine abdominal radiograph, the apex of the sigmoid volvulus is seen above (cranial to) the transverse colon.

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Article Information

rID: 35066
Section: Signs
Synonyms or Alternate Spellings:

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Cases and Figures

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    Sigmoid volvulus complicated by bowel ischaemia
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