Abnormal lipoprotein use or processing by the body. The main repercussions of the disorder tends to be fatty deposits called xanthomas and premature heart disease. Examples of specific lipoprotein disorders includes type II hyperlipoproteinemia, hypoalphalipoproteinemia, hypertriglyceridemia and high lipoprotein a levels. Lipoprotein disorders can also result in harmfully low levels of lipoproteins which can cause symptoms such as failure to thrive and neuromuscular degeneration. Abetalipoproteinemia is an example of a lipoprotein disorder involving low blood lipoprotein levels. See also Lipoprotein disorder