A clinical case report of brain abscess caused by Nocardia brasiliensis in a non-immunocompromised patient and a relevant literature review

摘要

Head MRI and CT images prior to the first surgery. A quasi-circular space-occupying lesion was found with long T1-weighted and T2-weighted signal shadows in the right temporal lobe and was surrounded by large patches of edema. Enhanced T1-weighted FLAIR signal were observed in the center of lesion. The signal intensity of the ring wall was increased after enhancement. CT scan showed a circular space-occupying lesion with slightly high density ring wall and low density shadows in the right temporal lobe that was surrounded by large patches of edema. MRS showed an elevated lactic acid peak, and low NAA, choline, and creatine peaks