Popliteal cyst

Case contributed by Felipe Rojas
Diagnosis almost certain

Presentation

Patient with pain and mass on the back of the right knee.

Patient Data

Age: 60 years
Gender: Female
x-ray
Frontal
Lateral
Show annotations
Download
Info

In the lateral projection, a rounded radiopaque image is observed on the posterior side of the knee.

ultrasound
Transverse
Transverse
Show annotations
Download
Info

Well-defined cystic image in the popliteal fossa, originating between the semimembranosus tendon and the medial gastrocnemiusus.

Case Discussion

Cystic lesion in the popliteal fossa originating between the semimembranosus tendon and the medial gastrocnemius muscle, consistent with a popliteal cyst (Baker's cyst).

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.