“…It most commonly occurs in children younger than four years of age having medical history of streptococcal pharyngitis, rarely as a complication of recent trauma, odontogenic infection or extension of vertebral osteomyelitis. 2 Most frequently causative agents are S. aureus and group A β-haemolytic streptococcus (GABHS, Streptococcus pyogenes), followed by anaerobic bacteria Fusobacterium and Bacteroides. Also, Haemophilus influenzae, Klebsiella sp, Mycobacterium tuberculosis and M. avium-intracellulare can be found.…”