Abstract
Objective: Report a cervical lymphadenitis caused by Streptococcus intermedius and characterize the clinical and microbiological features of this infection.
Case: A 3 years-old girl presenting an acute unilateral cervical lymphadenitis, whose fine-needle aspiration culture confirmed the presence of this microorganism. Treated first with intravenous cloxacillin, then penicillin and completing oral treatment with cotrimoxazol.
Discussion: Streptococcus intermedius belongs to one of three species of the “anginosus” or “millieri” group, which forms part itself of the viridans group. Generally, it constitutes part of normal bacterial flora of the orofarinx, gastrointestinal tract and vagina, with known capacity to migrate producing abscess, commonly polimicrobial and of difficult eradication. National studies of antimicrobial susceptibility report near 100% sensitivity to penicillin and cefotaxime. Microbiological protocols of rapid identification allow its bacteriological differentiation, helping to establish more adequate antibacterial therapies.
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Copyright (c) 2005 Revista Chilena de Pediatría