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Deep neck infection complicating lymphadenitis caused by Streptococcus intermedius in an immunocompetent child

Donato Rigante1*, Teresa Spanu2, Lorenzo Nanni3, Assunta Tornesello1, Maurizio Sanguinetti2, Tiziana D'Inzeo2, Achille Stabile1 and Giovanni Fadda2

Author Affiliations

1 Department of Pediatric Sciences, Università Cattolica Sacro Cuore, Rome, Italy

2 Institute of Microbiology, Università Cattolica Sacro Cuore, Rome, Italy

3 Division of Pediatric Surgery, Università Cattolica Sacro Cuore, Rome, Italy

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BMC Infectious Diseases 2006, 6:61  doi:10.1186/1471-2334-6-61

Published: 22 March 2006



Streptococcus intermedius belongs to the Streptococcus anginosus group. It is part of the normal flora of the human mouth, but it can be etiologically associated with deep-site infections.

Case presentation

We present a case of deep neck infection complicating Streptococcus intermedius lymphadenitis, which developed in an immunocompetent 14-year-old boy with a history of recent dental work. The infection was ultimately eradicated by a combined medical and surgical approach.


Our report suggests that combined medical and surgical therapy is essential for the complete resolution of deep infections caused by Streptococcus intermedius. Molecular biological techniques can be useful in guiding the diagnostic investigation and providing insight into the possibility of occult abscesses, which are particularly common with Streptococcus intermedius infections.