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Familial dysbetalipoproteinemia

Definition

Familial dysbetalipoproteinemia is a disorder passed down through families in which there are high amounts of cholesterol and triglycerides in the blood.

Alternative Names

Type III hyperlipoproteinemia; Deficient or defective apolipoprotein E

Causes

A genetic defect causes this condition. The defect results in the build up of large lipoprotein particles that contain both cholesterol and triglycerides, a type of fat. The disease is linked to defects in the gene for apolipoprotein E in many cases.

Hypothyroidism, obesity, or diabetes can make the condition worse. Risk factors for familial dysbetalipoproteinemia include a family history of the disorder or coronary artery disease.

Review Date: 1/23/2008
Reviewed By: Glenn Gandelman, MD, MPH, Assistant Clinical Professor of Medicine, New York Medical College, Valhalla, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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