Pediatr Infect Vaccine.  2020 Aug;27(2):127-133. 10.14776/piv.2020.27.e6.

A Case of Brain Abscess due to Parvimonas micra in a Healthy Child without Dental Disease

Affiliations
  • 1Department of Pediatrics, Ajou University Hospital, Ajou University School of Medicine, Suwon, the Republic of Korea
  • 2Department of Neurosurgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, the Republic of Korea

Abstract

Parvimonas micra is a non-spore-forming anaerobic gram-positive coccus and a known commensal of the skin, gums, vagina, and gastrointestinal tract. It is rarely associated with severe infections, which typically follow invasive procedures such as dental treatment. We describe a case of a brain abscess caused by P. micra in an immunocompetent 11-year-old boy without periodontal disease. He presented with a 7-day history of headaches and vomiting, and complained of diplopia that began on the day of presentation. He did not have any recent dental treatment or specific past medical history. A brain abscess in the left frontoparietal lobe was noted on brain magnetic resonance imaging. P. micra was cultured from brain abscess aspirate. He was successfully treated with surgical drainage and combined antibiotic therapy with ceftriaxone and metronidazole for 6 weeks.

Keyword

Bacteria; anaerobic; Brain abscess; Child
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