Eosinophilic fasciitis 4.5/5 (10)

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Eosinophilic fasciitis, the Masson A, 2013, Medicine (Baltimore). Open-in

Eosinophilic fasciitis (Schulmann's syndrome) (ICD-10 M35.4)

Definition

Eosinophilic fasciitis is a rare disease that attacks the subcutaneous and fascia surrounding the muscles without any known cause.

Occurrence

  • Men (40-50 years) are attacked a little more frequently than women
  • The disease is described in children, but extremely rare
  • Eosinophilic fasciitis is defined as one rare disease

Symptoms

  • Disease debut
    • Symptoms after physical activity, then gradual development
    • Pain
  • Tight and tender, hot skin
  • Swelling on the inside of the arms and legs
  • Symmetrical changes (approximately equal on both sides of the body) are most common
  • After weeks, the skin becomes inflamed and hard, partly with orange-shell-like indentations. Reduced joint movement (elbows, shoulders, hips, knees) may occur. Clamping of nerves in hands (Carpal tunnel syndrome) may also occur

Medical examinations

Blood tests

  • Increased Erythrocyte sedimentation rate (ESR), CRP and eosinophilic white blood cells. Some may slightly raised CK when at the same time muscle manifestation occur. No special Antibodies

Bone marrow examination

  • About 10% with eosinophilic fasisitis also have a blood disorder (different types). In case of suspected blood disease, further investigation with bone marrow examination is relevant

Tissue sample (biopsy)

  • Biopsy shows eosinophilia in tissues. Biopsy is taken through all skin layers down to muscle fascia

MR

  • MRI (with contrast agent or STIR) shows inflammation (edema) at the muscle fascia (see illustration above)

MR at Eosinophilic Fasciitis, Lee HS, Chang SJ, Allergy Asthma Immunol Res (2013). CC BY-NC 3.0

Incorrect diagnosis (similar conditions, differential diagnoses)

Eosinophilic fasciitis with contractions of the skin (b). Systemic sclerosis with salt and pepper pigmentation (a). Ghosh S, 2013. CC BY NC SA 3.0

Treatment

  • Corticosteroids (Prednisone)
    • High doses to prevent scars and sustained reduced mobility. Early treatment is most favorable for symptoms and for the course of the disease. Rapid response to inflammation, but slow recovery. Gradual phasing out of treatment over 2-5 years
    • About half of eosinophilic fasceite needs other immunosuppressive therapy as well (please see below)
  • Methotrexate
  • Plaquenil
  • Sandimune

Medical prognosis / Life expectancy

  • Gradually improve after a few years. Many are almost completely symptom-free in the longer term. The disease hardly affects life expectancy

Many patients are treated by Rheumatology Department OUS Rikshospitalet


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