A 33-year-old female patient presented with brain abscess. On aspiration it was foul smelling and gave red fluorescence on UV light, likely diagnosis is: (A) Acanthameba, (B) Peptostreptococci, (C) Bacteroids, (D) Staphylococcus
Answer is C. (C) Bacteroids # B. fragilis is the most frequent of the nonsporing anaerobes isolated from clinical specimens. It is often recovered from blood, pleural and peritoneal fluids, CSF, brain abscesses, wounds and urogenital infections.