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Discrimination of brain abscess from necrotic or cystic tumors by diffusion-weighted echo planar imaging
1Department of Neurosurgery, Meiji College of Oriental Medicine, Kyoto, Japan.
Abstract:
Diagnostic difficulties in discriminating brain abscess from necrotic or cystic tumors using conventional CT and MRI have been reported. In this article, we examine the diagnostic ability of diffusion-weighted imaging to discriminate brain abscess from necrotic or cystic tumors. In previous reports, necrotic or cystic tumors show low signal intensity in diffusion-weighted imaging, indicating a high apparent diffusion coefficient (ADC). In contrast, in our study, high signal intensity was observed in the abscess fluid, associated with low ADC.
Insights
Diffusion-weighted imaging helps differentiate brain abscesses from tumors. Unlike previous findings, this study observed high signal intensity in abscess fluid with a low apparent diffusion coefficient (ADC), aiding diagnosis.
Area of Science:
- Neuroimaging
- Radiology
- Medical Diagnostics
Background:
- Conventional CT and MRI present diagnostic challenges in distinguishing brain abscesses from necrotic or cystic tumors.
- Apparent diffusion coefficient (ADC) values are crucial in characterizing brain lesions.