Lenz-Majewski Hyperostotic Dwarfism, also known as lenz-majewski syndrome, is related to scarf syndrome and limb-mammary syndrome. An important gene associated with Lenz-Majewski Hyperostotic Dwarfism is PTDSS1 (Phosphatidylserine Synthase 1), and among its related pathways/superpathways are Metabolism and Glycerophospholipid biosynthesis. Affiliated tissues include bone and skin, and related phenotypes are macrocephaly and intellectual disability