Progressive supranuclear palsy

Case contributed by Maxime St-Amant
Diagnosis almost certain


Gradual onset of memory loss.

Patient Data

Age: 75 years
Gender: Male

Sagittal CT-scan reconstruction shows slight atrophy of the midbrain. This is known as the hummingbird sign or penguin sign. The patient had a clinical history compatible with progressive supranuclear palsy.

Case Discussion

Related articles :

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.