Özet:

Meningitis is the infl ammation of the pia and arachnoid membranes surrounding the brain and spinal cord and requires urgent medical intervention, whereas the brain abscess is the suppurative infection occurs in the parenchymal tissue of the brain. Brain abscesses may result from trauma and surgical intervention, as well as may originate as a complication of congenital heart disease, endocarditis, intrathoracic and abdominal infection-based sepsis, tooth decay, otitis media or sinusitis. In this case report, we present a 59-year-old man with a history of tracheostomy with a diagnosis of laryngeal carcinoma with high fever, vomiting and shoulder pain. Peripheral blood culture samples cerebrospinal fl uid were drawn with the prediagnosis of meningitis and the samples yielded Streptococcus constellatus. The patient received antibiotic therapy for meningitis; but the expected response to the treatment was not achieved. The brain abscess of about 10 cm in diameter was visualized as the result of computed tomography. The pre-existing tracheostomy in the patient was considered as a predisposing factor for brain abscess. After he antibiotic treatment, the diameter of the abscess reduced to 5 cm. However, the patient died on the 60th day of admission. It should be noted that many microorganisms of the normal human fl ora might cause serious infections in the presence of the predisposing factors. 

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