Popliteal cyst

Background

  • Also known as Baker's cyst
  • Develops posteriorly and inferiorly to the knee as herniation of the synovial membrane of the knee capsule
  • The cyst communicates with the knee joint and is the leading cause of posterior knee pain

Clinical Features

  • Pain/swelling of posterior knee

Differential Diagnosis

Knee diagnoses

Acute knee injury

Nontraumatic/Subacute

Calf pain

Evaluation

Management

  • Treatment is conservative; excision may be required in some cases

Disposition

  • Discharge


See Also

References

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