1 Genetic Clinic, Children's Memorial Hospital and the Department of Pediatrics, Northwestern University Medical School, chicago, Illinois
In the April 1959 issue of this journal, under the title of "An Inborn Error of Lipid Metabolsim, "clinical studies were reported on two brothers with hyperlipidemia.1 Although these children presented several of the clinical and laboratory manifestations on glycogen storage disease of Von Gierke's type, this diagnosis was ruled out when histological examination of two liver biopsies done on one of the children at a three year's interval were reported as containing low or normal amounts of hepatic glycogen.