Caffey Disease, also known as infantile cortical hyperostosis, is related to blood group, p1pk system and ehlers-danlos syndrome. An important gene associated with Caffey Disease is COL1A1 (Collagen Type I Alpha 1 Chain), and among its related pathways/superpathways are Phospholipase-C Pathway and Signaling by Receptor Tyrosine Kinases. Affiliated tissues include bone and skin, and related phenotypes are cellulitis and cortical irregularity