Health Encyclopedia

Necrotizing vasculitis

Definition

Necrotizing vasculitis is a rare condition that involves inflammation of the walls of the blood vessels.

Alternative Names

Vasculitis - necrotizing

Causes, incidence, and risk factors

Necrotizing vasculitis may occur in rheumatoid arthritis and is commonly seen with systemic lupus erythematosus, polyarteritis nodosa, and scleroderma.

It is very rare in children.

The cause of the inflammation is unknown, but is likely related to autoimmune factors. The tissues become necrotic (dead). The wall of the vessel may scar and thicken. The vessel may close, interrupting blood flow to the tissues supplied by that blood vessel. The lack of blood flow will cause death of the tissues.

Necrotizing vasculitis may affect any blood vessel in the body.

Symptoms

Skin lesions
- Papule (small, solid, and raised lesion)
- Red or purple colored
- Located on the legs, hands, or other parts of the body
Fingers that change color (blue fingers or toes)
Tissue death due to lack of oxygen
- Pain or tenderness in the area
- Skin redness
- Ulcers that do not heal
Joint pain
Abdominal pain
Pain, numbness, tingling in an arm, leg, or other body area
Changes or decrease in function of an arm, leg, or other body area
Fever

Additional symptoms that may be associated with this disease:

Weakness
Swallowing difficulty
Speech impairment
Leg pain
Muscle contractions
Muscle atrophy
Movement difficulty
Painful menstruation
Hoarseness or changing voice
Fatigue
Pupils that are different size
Eyelid drooping

Note: Symptoms vary depending on the location of the affected vessels.

Signs and tests

The doctor will perform a physical exam. A neurological examination may show signs of nerve damage.

Tests that may be done include:

Biopsy of the muscle, organ, tissue or nerve biopsy
Chest x-ray
Sedimentation rate
Urinalysis
Hepatitis blood test
Blood test for antibodies against neutrophils (ANCA antibodies)

Treatment

Corticosteroids (given in low doses) or other drugs that suppress the immune system may reduce inflammation of the blood vessels.

Expectations (prognosis)

The outcome varies with the location of the vasculitis and the severity of tissue damage.

Complications

Permanent damage to the structure or function of the affected area
Secondary infections of necrotic tissues

Calling your health care provider

Call your health care provider if symptoms of necrotizing vasculitis develop.

Emergency symptoms include weakness, swallowing difficulty, speech problems, changes in pupil size, and loss of function of an arm or leg or other body part.

Prevention

There is no known way to prevent this disorder.

Review Date:6/18/2007
Reviewed By:Steve Lee, DO, Rheumatology Fellow, Loma Linda University Medical Center, Loma Linda, CA. Review provided by VeriMed Healthcare Network.

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