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Baker's cyst

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A Baker's cyst, also known as a popliteal cyst, is a pocket of joint fluid that forms a lump behind the knee. Often a Baker's cyst is painless, but occasionally this pocket of fluid can tear open and drain into the tissues of the lower leg, causing pain and swelling.

Symptoms include:

  • Swelling behind the knee that may increase when a person stands.
  • Discomfort behind the knee and into the upper calf, especially when the knee is completely bent or straight.

La Enciclopedia de salud contiene información general de salud. No todos los tratamientos o servicios descritos son beneficios cubiertos para los miembros de Kaiser Permanente ni se ofrecen como servicios de Kaiser Permanente. Para obtener una lista de beneficios cubiertos, consulte su Evidencia de cobertura o Descripción resumida del plan. Para los tratamientos recomendados, consulte con su proveedor de atención médica.