Health Encyclopedia

Secondary systemic amyloidosis

Definition

Secondary systemic amyloidosis is a disorder in which abnormal proteins build up in tissues and organs. Clumps of the abnormal proteins are called amyloids.

Secondary means it occurs because of another disease or situation. For example, this condition occurs along with chronic infection or chronic inflammatory disease.

Systemic means body-wide. For example, a systemic disease affects the entire body.

Alternative Names

Amyloidosis - secondary systemic

Causes, incidence, and risk factors

The exact cause is of amyloidosis unknown. You are more likely to develop secondary systemic amyloidosis is you have a long-term infection or inflammation.

This condition may occur along with:

Ankylosing spondylitis
Bronchiectasis
Chronic osteomyelitis
Cystic fibrosis
Hairy cell leukemia
Hodgkin's disease
Long-term skin abscess and certain ulcers
Long-term kidney dialysis
Juvenile chronic arthritis
Multiple myeloma
Reiter syndrome
Rheumatoid arthritis
Sjogren syndrome
Systemic lupus erythematosus
Tuberculosis

Symptoms

Bleeding in the skin
Fatigue
Irregular heart beat
Numbness of hands and feet
Shortness of breath
Swallowing difficulties
Swollen arms or legs
Swollen tongue
Weak hand grip
Weight loss

Signs and tests

Tests that may be done include:

Abdominal ultrasound (may show a swollen liver or spleen)
Biopsy of skin
Biopsy of bone marrow
Blood tests, including creatinineand BUN
ECG
Echocardiogram
Nerve conduction velocity
Urinalysis

Treatment

The condition that is causing the amyloidosis should be treated. Some persons may need a bone marrow or stem cell transplant. There is no specific treatment for amyloidosis itself.

Expectations (prognosis)

How well a person does depends on which organs are affected. If the disease involves the heart and kidneys, it may lead to organ failure and death.

Complications

Endocrine failure
Heart failure
Kidney failure
Respiratory failure

Calling your health care provider

Call your health care provider if you have symptoms of this condition. Numbness, weak grip, shortness of breath, swelling, bleeding, and irregular heart beats are serious symptoms that require prompt medical attention.

Prevention

If you have a disease that's known to increase your risk of this condition, make sure you get it treated. This may help prevent amyloidosis.

References

Goldman L, Ausiello D. Cecil Textbook of Medicine. 22nd ed. Philadelphia, Pa: WB Saunders; 2004.

Kumar V, Abbas AK, Fausto N. Robbins and Cotran Pathologic Basis of Disease. 7th ed. St. Louis, Mo: WB Saunders; 2005.

Review Date:4/1/2007
Reviewed By:Mark Levin, MD, Hematologist and Oncologist, Newark, NJ. Review provided by VeriMed Healthcare Network.

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