Abetalipoproteinemia, or Bassen-Kornzweig syndrome,'s a rare autosomal recessive disorder that interferes with the normal absorption of fat and fat-soluble vitamins from food. It isn't to be confused with familial dysbetalipoproteinemia. Features Abetalipoproteinemia affects the absorption of dietary fats, cholesterol, and certain vitamins. People affected by this disorder aren't able to make certain lipoproteins, which are molecules that consist of proteins combined with cholesterol and partic… (More on Abetalipoproteinemia)