A Case With the Infantile Type of Glycerol Kinase Deficiency

A male infant with the infantile type of glycerol kinase deficiency is described. At six years of age, he showed proximal dominant muscle atrophy and weakness, addisonian pigmentation and mental retardation. Laboratory investigations revealed muscular dystrophy, adrenal insufficiency and glycerol kinase deficiency. He has a small deletion in a band (Xp21) of the X chromosome. The clinical, biochemical and genetic findings in this patient are reported.