Black eyebrow sign - orbital emphysema

Case contributed by Ian Bickle


Left orbital injury. Fracture?

Patient Data

Age: 42
Gender: Female

Curvilnear lucency in the superior aspect of the left orbit.

Case Discussion

The black eyebrow sign indicates orbital emphysema, typically from a orbital fracture, with air having entered from the adjacent sinuses.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.