Baker's Cyst

A Baker's cyst (popliteal cyst) is a fluid-filled swelling behind the knee, usually from arthritis or knee injury. Many are asymptomatic; some cause discomfort, and rupture can mimic blood clots.

Table of Contents

Quick Facts

  • ICD-10: M71.2

Symptoms

  • Bulge behind the knee, especially when standing
  • Tightness or pressure
  • Knee stiffness
  • Pain that worsens with activity
  • If ruptured — calf pain and swelling that can mimic DVT

Treatment

  • Treat underlying knee problem (arthritis, meniscus tear)
  • NSAIDs
  • Activity modification, compression
  • Aspiration and steroid injection
  • Surgery rarely needed

Related Conditions

Knee Pain

Common symptom

 Arthritis

Common underlying cause
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Academy of Orthopaedic Surgeons. Popliteal Cyst Information.