What is a digital myxoid cyst?

A digital myxoid cyst is a fluid filled sac (cyst) which forms near the base of the nail or over the furthest joints of the fingers. This type of cyst is also called a Digital Mucous Cyst.

What causes a digital myxoid cyst?

The exact cause is unknown. Osteoarthritis of the joints of the fingers has been shown to be a risk factor in developing this type of cyst. Trauma and damage to the skin of the fingers may also increase the risk of developing these cysts.

What are the symptoms?

  • Fluid filled lump over the furthest joints or base of the nail
  • Skin coloured
  • Usually not painful (unless infected)
  • Feels soft and boggy
  • Symptoms of arthritis of the hand (Swollen joint, bony lumps)

How can a digital myxoid cyst be treated?

  • Conservative treatment: Soaks, massage, heat
  • Topical steroids: Skin based steroid creams
  • Steroid injections
  • Cryotherapy (Freeze)
  • Surgery to remove cyst

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