What is the definition of Secondary Systemic Amyloidosis?

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

Secondary means it occurs because of another disease or situation. For example, this condition usually occurs due to long-term (chronic) infection or inflammation. In contrast, primary amyloidosis means there is no other disease that is causing the condition.

Systemic means that the disease affects the entire body.

What are the alternative names for Secondary Systemic Amyloidosis?

Amyloidosis - secondary systemic; AA amyloidosis

What are the causes for Secondary Systemic Amyloidosis?

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

This condition may occur with:

  • Ankylosing spondylitis -- a form of arthritis that mostly affects the bones and joints in the spine
  • Bronchiectasis -- disease in which the large airways in the lungs are damaged by chronic infection
  • Chronic osteomyelitis -- bone infection
  • Cystic fibrosis -- disease that causes thick, sticky mucus to build up in the lungs, digestive tract, and other areas of the body, leading to chronic infection of the lungs
  • Familial Mediterranean fever -- inherited disorder of repeated fevers and inflammation that often affects the lining of the abdomen, chest, or joints
  • Hairy cell leukemia -- a type of blood cancer
  • Hodgkin disease -- cancer of the lymph tissue
  • Juvenile idiopathic arthritis -- arthritis that affects children
  • Multiple myeloma -- a type of blood cancer
  • Reiter syndrome -- a group of conditions that causes swelling and inflammation of the joints, eyes, and urinary and genital systems)
  • Rheumatoid arthritis
  • Systemic lupus erythematosus -- an autoimmune disorder
  • Tuberculosis

What are the symptoms for Secondary Systemic Amyloidosis?

Symptoms of secondary systemic amyloidosis depend on which body tissue is affected by the protein deposits. These deposits damage normal tissues. This may lead to the symptoms or signs of this illness, including:

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

What are the current treatments for Secondary Systemic Amyloidosis?

The condition that is causing the amyloidosis should be treated. In some cases, the drug colchicine or a biologic drug (medicine that treats the immune system) is prescribed.

What is the outlook (prognosis) for Secondary Systemic Amyloidosis?

How well a person does depends on which organs are affected. Also depends on, whether the disease that is causing it can be controlled. If the disease involves the heart and kidneys, it may lead to organ failure and death.

What are the possible complications for Secondary Systemic Amyloidosis?

Health problems that may result from secondary systemic amyloidosis include:

  • Endocrine failure
  • Heart failure
  • Kidney failure
  • Respiratory failure

When should I contact a medical professional for Secondary Systemic Amyloidosis?

Call your provider if you have symptoms of this condition. The following are serious symptoms that need prompt medical attention:

  • Bleeding
  • Irregular heartbeat
  • Numbness
  • Shortness of breath
  • Swelling
  • Weak grip

How do I prevent Secondary Systemic Amyloidosis?

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

Amyloidosis of the fingers
Amyloidosis of the face
Antibodies

REFERENCES

Gertz MA. Amyloidosis. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 188.

Papa R, Lachmann HJ. Secondary, AA, Amyloidosis. Rheum Dis Clin North Am. 2018;44(4):585-603. PMID: 30274625 www.ncbi.nlm.nih.gov/pubmed/30274625.

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