RT Book, Section A1 Jauch, Edward C. A1 Hall, Gregory A1 Knoop, Kevin J. A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181488612 T1 Peritonsillar Abscess T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1181488612 RD 2024/03/29 AB Peritonsillar abscess (PTA), or quinsy, is the most common deep head and neck infection. Although most occur in young adults, immunocompromised and diabetic patients are at increased risk. Most PTAs develop as a complication of tonsillitis or pharyngitis, but may also result from odontogenic spread, recent dental procedures, and local mucosal trauma.