RT Book, Section A1 Logan, Latania K. A1 Tan, Tina Q. A2 Shah, Samir S. SR Print(0) ID 6904206 T1 Chapter 22. Periorbital and Orbital Infections T2 Pediatric Practice: Infectious Disease YR 2009 FD 2009 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-148924-9 LK accesspediatrics.mhmedical.com/content.aspx?aid=6904206 RD 2024/04/19 AB While the terms periorbital (preseptal) and orbital (postseptal) cellulitis sound similar, their pathogenesis, management, and complications are quite different. Periorbital infections refer to infections located anterior to the orbital septum, while orbital infections are infections located posteriorly.