“…4,22,25 Fungal infections, Toxoplasma, Staphylococcus species, Streptococcus species, and Pseudomonas are frequently observed in immunocompromised patients and after organ transplantation, chemotherapy, and steroid usage. 4,20,25 Streptococcus anginosus is a commensal microbe of the mucosae of the oral cavity, gastrointestinal tract, and urogenital tract and is rarely found in brain abscess materials or immunocompetent patients. 12 We identified this etiological agent in an immunocompetent patient with a left frontal intracerebral abscess that was treated successfully with craniotomy and drainage.…”