Baker cyst

Case contributed by Alex Lim Tat Leong
Diagnosis certain

Presentation

Posterior knee swelling.

Patient Data

Age: 8 years
Gender: Male
ultrasound

Fluid filled cyst noted between the medial head of the gastrocnemius and the semimembranosus tendon taking appearance of a "speech bubble".

Case Discussion

Classical ultrasound features of a Baker cyst

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