Neonatal retroauricular cellulitis as an indicator of group B streptococcal bacteremia: a case report

IntroductionThe relation between cellulitis and Group B streptococcus infection in newborns and small infants was first reported during the early 1980s and named cellulitis-adenitis syndrome. We report a case of a neonate with cellulitis-adenitis syndrome in an unusual location (retroauricular).Case presentationA 21-day-old Caucasian female infant was brought to the emergency department with fever, irritability and a decreased appetite.

Physical examination revealed erythema and painful, mild swelling in the right retroauricular region. The blood count and C-reactive protein level were normal.

She was treated with ceftriaxone. The fever and irritability were resolved after 24 hours, and the cellulitis was clearly reduced after two days of hospitalization.

Blood culture yielded Group B streptococcus.

Conclusion: A thorough evaluation must be done, and lumbar punctures for infants with cellulitis must be considered. We emphasize the lack of data about acute phase reactants to predict bacteremia and meningitis and to adjust the duration of parenteral antibiotic therapy to address this syndrome.

Author: David Perez SolisJuan Diaz MartinEtelvina Suarez Menendez
Credits/Source: Journal of Medical Case Reports 2009, 3:9334

Published on: 2009-12-16

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