It is among the genetic syndromes associated with congenital lipid malabsorption such as abetalipoproteinemia (ABL) and familial hypobetalipoproteinemia, a heterogeneous group of disorders characterised by a decrease of LDL-cholesterol (LDLc) and apolipoprotein B (Apo B) [5]. Here, APOB is linked to abetalipoproteinemia.