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. 1998 Dec;171(6):1487-90.
doi: 10.2214/ajr.171.6.9843275.

Brain abscess and necrotic or cystic brain tumor: discrimination with signal intensity on diffusion-weighted MR imaging

Y J Kim  1 , K H Chang, I C Song, H D Kim, S O Seong, Y H Kim, M H Han
Affiliations

Brain abscess and necrotic or cystic brain tumor: discrimination with signal intensity on diffusion-weighted MR imaging

Y J Kim et al. AJR Am J Roentgenol. 1998 Dec.

Abstract

Objective: The purpose of this study was to determine the differences in signal intensity between brain abscesses and necrotic or cystic tumors on diffusion-weighted MR imaging.

Conclusion: Five consecutive patients with proven brain abscesses and four patients with proven cystic or necrotic brain tumors were prospectively evaluated with diffusion-weighted imaging. On diffusion-weighted imaging, brain abscesses showed markedly hyperintense signal in all five patients, whereas necrotic or cystic brain tumors revealed hypointense signal in all four patients. Diffusion-weighted imaging may allow the differentiation of brain abscess from necrotic or cystic brain tumor.

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