Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105
Probable Brain Abscess Presenting as a High Uptake Lesion on Thallium-201 Single Photon Emission Computed Tomography —Case Report—
Shinya SATOKuniaki OGASAWARAHiroyuki KINOUCHIKeiji KOHSYUTakashi YOSHIMOTO
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1997 Volume 37 Issue 10 Pages 775-778

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Abstract

A 61-year-old male presented with a brain abscess manifesting as high fever and generalized convulsion attacks. Magnetic resonance (MR) imaging disclosed a ring-like enhanced lesion in the parietal lobe. Thallium-201 single photon emission computed tomography (201Tl SPECT) images demonstrated a high uptake lesion with a 201Tl uptake index on the early image of 2.21, which suggested malignant disease. The washout ratio was 0.73. His symptoms and the ring-like enhanced lesion on MR images disappeared after 2 months of antibiotic treatment. The final diagnosisdespite the was brain abscess, 201Tl SPECT findings. 201Tl SPECT washout ratio may be a better indicator of brain abscess than uptake index.

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© The Japan Neurosurgical Society
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