Pterygomaxillary space abscess.
D000038:Abscess / Q000000981:diagnostic imaging / Q000382:microbiology* / Q000601:surgery; D002339:Carotid Arteries; D008437:Maxilla; D009333:Neck; D011183:Postoperative Complications; D011859:Radiography; D013100:Sphenoid Bone; D013290:Streptococcal Infections / Q000601:surgery*; D014068:Tonsillectomy