71 year old, Japanese, female patient was referred to the Department of Oral and Maxillofacial Surgery with a swelling on the left temporal and submandibular region due to odontogenic infection; in an unconscious state. The laboratory findings on admission revealed sever infection with the number of white blood cell (27480/μL) and C-reactive protein (48, 99 mg/dL). The head and chest computed tomography (CT) showed temporal fossa and pericostal abscess associated with odontogenic infection.
