<i>Streptococcus constellatus</i> causing concomitant extra and intracranial abscesses complicated with sagittal sinus thrombosis

Farias, Luís Arthur Brasil Gadelha; Firmino, Natália Nogueira; Sousa, Marcos Maciel; Lira, Mateus Lavor; Meireles, Leonardo Nogueira; Stolp, Ângela Maria Veras; Maia, Kelma Maria; Costa, Silvia Figueiredo; Perdigão Neto, Lauro Vieira

doi:10.1590/S1678-9946202365010

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CASE REPORT • Rev. Inst. Med. trop. S. Paulo 65 • 2023 • https://doi.org/10.1590/S1678-9946202365010 linkcopy

Streptococcus constellatus causing concomitant extra and intracranial abscesses complicated with sagittal sinus thrombosis

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Streptococcus constellatus is a gram-positive coccus member of the Streptococcus anginosus group (SAG). It can be found in the oral flora, and may cause abscess more commonly in the gastrointestinal tract, lungs, and heart. Brain abscesses are severe neurological infections with high mortality rates. Streptococcus species other than S. pneumoniae are rare causes of brain abscesses. This case report highlights a severe case of extra and intracranial abscesses due to S. constellatus in an immunocompetent host

Streptococcus constellatus; Abscess; Brain; Oral flora

Article	Month/Year	Country	Age	Sex	Site of infection	Coinfection	Treatment	Outcome
Nakao et al.²	July/2001	Japan	10	Female	Parietal subdural abscess	Eikenella corrodens	Surgical drainage + Antibiotics	Cure
Göbels et al.³	February/2002	Germany	42	Male	Multiple abscesses (brain, cerebellum, basal ganglia and the pons)	None	Antibiotics	Cure
Chheda et al.⁴	April/2011	USA	54	Male	Multiple abscesses (frontal lobe / periventricular white matter)	None	Antibiotics	Cure
Şenol et al.⁵	July/2016	Turkey	25	Male	Thalamic abscess	None	Stereotactic drainage + Antibiotics	Cure
Yılmaz et al.⁶	May/2017	Turkey	59	Male	Brain abscess	None	Antibiotics	Death
Carretero⁷	August/2017	Spain	69	Female	Cerebellar abscesses / infective endocarditis	None	Antibiotics	Death
Mo et al.⁷	November/2017	China	48	Male	Meningitis	Prevotella intermedia	Antibiotics	Death
Shakoor et al.⁹	April/2020	USA	42	Male	Frontal lobe abscess	Actinomyces sp.	Surgical drainage + Antibiotics	Cure

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