1) Hypobetalipoproteinemia 
Hypolipoproteinemia is defined as a lack of lipoprotein in the blood due to genetic or other diseases such as malnutrition and malabsorption. ==Diagnosis== It can be diagnosed via blood study that identifies fat particles. The patient must fast overnight to prevent interference from fat in the blood due to food intake. ==Treatment== Vitamin E supp...
(hi″po-lip″o-pro″te-ne´me-ә) the presence of abnormally low levels of lipoproteins in the serum, as in Tangier disease.
Type: Term Pronunciation: hī′pō-lip′ō-prō′tē-in-ē′mē-ă Definitions: 1. Decreased levels of a lipoprotein in the serum.
[n] - any of various disorders of lipoprotein and cholesterol metabolism that result in low levels of lipoprotein and cholesterol in the circulating blood
hypolipoproteinemia Decreased levels of a lipoprotein in the serum.