Myxoid cyst

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Myxoid cyst
File:Myxoid-cyst-left-index.jpg
Myxoid cyst on the left index finger
Synonyms Digital mucous cyst, mucous cyst of the digit
Pronounce N/A
Specialty N/A
Symptoms Nodule on the finger or toe, often near the nail
Complications Nail deformity, infection
Onset Typically in adulthood
Duration Can be chronic
Types N/A
Causes Degenerative joint disease, osteoarthritis
Risks Age, joint degeneration
Diagnosis Clinical examination, ultrasound, MRI
Differential diagnosis Ganglion cyst, epidermoid cyst, glomus tumor
Prevention N/A
Treatment Surgical excision, cryotherapy, laser therapy
Medication Steroid injection
Prognosis N/A
Frequency Common in older adults
Deaths N/A


Myxoid cyst also known as a digital mucous cyst or pseudocyst is a noncancerous, fluid-filled growth usually occurring on the fingers or toes. These cysts are associated with osteoarthritis and are caused by degeneration of the connective tissue of the fingers or toes.

Causes[edit]

The exact cause of myxoid cysts is unknown. However, they are often associated with osteoarthritis and aging. They may also be caused by damage to the fingers or toes, such as a nail injury.

Symptoms[edit]

The main symptom of a myxoid cyst is a small, firm, raised bump on the skin. The cyst may be clear or have a jelly-like appearance. It may also cause the nail to grow irregularly or become discolored.

Diagnosis[edit]

A myxoid cyst can be diagnosed by a dermatologist or a general practitioner. The doctor will examine the cyst and may take a sample of the fluid inside for testing. In some cases, an ultrasound or MRI may be used to confirm the diagnosis.

Treatment[edit]

Treatment for a myxoid cyst may include draining the fluid, steroid injections, or surgical removal. In some cases, the cyst may disappear on its own without treatment.

Prognosis[edit]

The prognosis for a myxoid cyst is generally good. However, the cyst may recur after treatment.

See also[edit]

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