Type III hyperlipoproteinemia; Deficient or defective apolipoprotein E
Symptoms may not be seen until age 20 or older.
Yellow deposits of fatty material in the skin called xanthomas may appear on the eyelids, palms of the hands, soles of the feet, or on the tendons of the knees and elbows.
Atherosclerosis develops. There may be early chest pain (angina) or decreased blood flow to specific parts of the body, causing transient ischemic attacks of the brain or peripheral artery disease.
Tests that may be done to diagnose this condition include: