Sudden "stroke-like' onset of homonymous hemianopsia due to bacterial brain abscess

Journal of the Neurological Sciences
S ShintaniT Shiigai

Abstract

A previously healthy 40-year-old man experienced the sudden 'stroke-like' onset of homonymous hemianopsia due to a bacterial brain abscess. Clinical features and initial computed tomography (CT) suggested a stroke. Subsequent CT and magnetic resonance (MR) demonstrated a cerebral abscess, proven at surgery. It is extremely rare that a healthy individual without various risk factors, such as congenital heart disease, immunologic deficiency, diabetes mellitus, or pregnancy, presents with the above symptoms. The exact mechanism of this sudden 'stroke-like' onset in a patient with a bacterial brain abscess is unknown. One possibility is that paroxysmal septic emboli led to abscess formation within or near areas of embolic infarction. Another possibility is that a primary cerebral infarction was associated with secondary bacteremia. Surgical drainage revealed a bacterial (Streptococcus) abscess, but no identifiable source of infection.

References

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Citations

Oct 26, 1999·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·A ArboixL Garcia-Eroles
Jul 16, 2020·Brain Sciences·Da-Eun Jeong, Jun Lee
May 18, 2019·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Monique BoukobzaJean-Pierre Laissy

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