Eosinophilic fasciitis (patient information)

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Editors-in-Chief: C. Michael Gibson, M.S., M.D. Associate Editor-In-Chief: Ujjwal Rastogi, MBBS [mailto:urastogi@perfuse.org]

Overview
Eosinophilic fasciitis is a very rare syndrome in which muscle tissue underneath the skin, called fascia, becomes swollen and thick. Rapid swelling can occur in the hands, arms, legs, and feet.

The disease is similar in appearance to scleroderma but is not related.

What are the symptoms of Eosinophilic fasciitis?

 * Bone pain or tenderness
 * Carpal tunnel syndrome
 * Numbness or tingling in one or both hands
 * Pain in one or both hands
 * Weakness in one or both hands
 * Muscle weakness
 * Tenderness and swelling of the arms and legs (occasionally including joints)
 * Thickened skin with puckered appearance

What causes Eosinophilic fasciitis?
The cause of eosinophilic fasciitis is unknown. Fewer than 300 cases have been reported in the past 35 years.

People with this condition have a buildup of eosinophils, a type of white blood cell, in the affected fascia and muscles. Eosinophils are related to allergic reactions, but their exact function is unknown.

Who is at highest risk?
The syndrome affects people of any age, but is more common in people ages 30 to 60.

When to seek urgent medical care?
Call your health care provider for an appointment if you have symptoms of this disorder.

Diagnosis
Tests that may be done include:
 * Gamma globulins (a type of immune system cell)
 * Erythrocyte sedimentation rate (ESR)
 * MRI
 * Muscle biopsy
 * Skin biopsy

Treatment options
Treatment with corticosteroids and other immune-suppressing medications relieves symptoms, especially when started early in the disease. Nonsteroidal anti-inflammatory drugs (NSAIDs) may also help relieve symptoms.

If blood diseases develop, they are treated based on their type.

Where to find medical care for Eosinophilic fasciitis?
Directions to Hospitals Treating Eosinophilic fasciitis

What to expect (Outlook/Prognosis)?
In most cases, the condition goes away within 3 to 5 years. However, symptoms may return (recur) or persist. The outlook is much worse if blood diseases occur.

Possible complications
Arthritis is a rare complication of eosinophilic fasciitis. Some patients may develop very serious blood disorders or blood-related cancers, such as aplastic anemia or leukemia.

Prevention
There is no known prevention.