Broad-Betalipoproteinemia is a condition characterized by the development of areas of excess fat in different parts of the body. Individuals with this condition have a problems transporting lipids, or fat, within the body. This leads to fat being stored in abnormal places throughout the body. Individuals may observe excess fat deposits in the palm, fingers, knees, elbows, and under the arms. Doctors are usually able to diagnose this defect early during childhood, as the resulting fat deposits, which appear as yellow lumpy collections (xanthomas), are quickly apparent. Treatment is developed on a case-by-case basis and depends on the specific needs on the patient. Doctors may suggest individuals undergo a low-fat diet and medications to aid fat transportation throughout the body. In extreme cases, they may also suggest individuals to undergo surgery to remove the abnormal excess fat from the body.