This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Baker's cysts can present as a chronic condition or as an acute one where the cyst ruptures.

In children it is typically an incidental finding and parents usually note a painless mass in the popliteal area (1). Adults may complain of a swelling, a mass, pain, or stiffness which is worsened by activity (2). In a study which observed 82 patients with surgically treated cysts

  • a mass was the main concern in 68 patients
  • local aching was seen in 46 patients
  • stiffness was present in 13 patients
  • swelling was present in 9 patients (2)

The swelling seen in popliteal cyst

  • is present at the medial aspect of the popliteal area
  • is round, smooth, fluctuant, trans-illuminates and is often tender
  • increases in tension on extension of the knee and soften or disappear when the knee is flexed to 45 degrees - (Foucher's sign) (2)


Create an account to add page annotations

Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.


Copyright 2024 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.