title: Positron emission tomographic findings in a tuberculous brain abscess.
abstract: Several case reports and studies have described the positron emission tomographic (PET) findings of intracranial tuberculomas and bacterial brain abscesses. However, to our knowledge, the PET pattern of a tuberculous brain abscess has not been previously described. We report the case of a diabetic heavy drinker with a left parietal tuberculous abscess. (18)F-fluoro-2-deoxyglucose (FDG)-PET scans showed intense FDG uptake at the abscess periphery, where contrast enhancement was observed on a magnetic resonance image. FDG uptake was reduced within the abscess cavity and in the adjacent cerebral cortex. The possibility of a tuberculous brain abscess should be considered when FDG accumulates at the periphery of a ring-enhancing lesion in a chronically ill or immunocompromised patient.
authors.affiliation: Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, 28 Yeongeon-Dong, Jongno-Gu, Seoul, South Korea.
authors.forename: Kyusik
authors.initials: K
authors.lastname: Kang
authors.forename: Ilhan
authors.initials: I
authors.lastname: Lim
authors.forename: Jae-Kyu
authors.initials: JK
authors.lastname: Roh
mesh_terms: D000038:Abscess; D001921:Brain / Q000000981:diagnostic imaging / Q000473:pathology*; D001922:Brain Abscess / Q000175:diagnosis* / Q000000981:diagnostic imaging*; D003287:Contrast Media / Q000494:pharmacology; D019788:Fluorodeoxyglucose F18; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D008875:Middle Aged; D049268:Positron-Emission Tomography / Q000379:methods*; D019275:Radiopharmaceuticals; D014376:Tuberculosis / Q000150:complications*
chemical_list: D003287:Contrast Media; D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18