Infantile Cortical Hyperostosis

  • Etiology: unknown
  • Imaging: asymmetrical cortical thickening involving #1 mandible, #2 clavicle, #3 ulna
  • Clinical: present before 9 weeks old, unusual after 6 months old, can have irritability / acute pain / soft tissue swelling, elevated alkaline phosphatase

Cases of Infantile Cortical Hyperostosis