[A case of hyperlipoproteinaemia of type I (author's transl)].

The article reports on a boy of six years of age with hyperlipoproteinaemia of Type I. His case was notable for abducens paralysis and hepatosplenomegaly. Routine diagnosis with plasmatriglyceride and plasma-cholesterol, as well as liproprotein electrophoresis, was supplemented by measurement of the activity of the triglyceride lipases in the post-heparinplasma.