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Intracranial hematomas: imaging by high-field MR.
Abstract
Twenty intracranial hematomas between 1 day and over 1 year old were imaged using magnetic resonance at 1.5 T, with T1- and T2-weighted spin-echo pulse sequences. Characteristic intensity patterns were observed in the evolution of the hematomas, which could be staged as acute (less than 1 week old), subacute (greater than 1 week and less than 1 month old), or chronic (greater than 1 month old). Acute hematomas were characterized by central hypointensity on T2-weighted images (WIs). Subacute hematomas had peripheral hyperintensity on T1-WIs and then on T2-WIs. This hyperintensity proceeded to fill in the hematoma in the chronic stage. In subacute and chronic hematomas, there was hypointensity on T2-WIs in the immediately adjacent part of the brain. On T2-WIs of acute and subacute hematomas, the nearby white matter was characterized by hyperintensity, consistent with edema. A different mechanism is proposed for each of the three characteristic intensity patterns. Two of these mechanisms increase in proportion to the square of the magnetic field magnitude.
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Cited by
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Lucchinetti, C. F., Gavrilova, R. H., Metz, I., Parisi, J. E., Scheithauer, B. W., Weigand, S., Thomsen, K., Mandrekar, J., Altintas, A., Erickson, B. J., et al. (2008) · Brain · doi:10.1093/brain/awn098 · Cited by 493
Pluta, R. M. (2005) · JAMA · doi:10.1001/jama.293.12.1477 · Cited by 261
Neuwelt, E. A., Várallyay, C. G., Manninger, S., Solymosi, D., Haluska, M., Hunt, M. A., Nesbit, G., Stevens, A., Jerosch-Herold, M., Jacobs, P. M., et al. (2007) · Neurosurgery · doi:10.1227/01.neu.0000255350.71700.37 · Cited by 184
Endometriose pleural: achados na ressonância magnética
Marchiori, E., Zanetti, G., Rodrigues, R. S., Souza, L. S., Souza Jr, A. S., Francisco, F. A. F., & Hochhegger, B. (2012) · Jornal Brasileiro de Pneumologia · doi:10.1590/s1806-37132012000600017 · Cited by 30
Metadata
- Authors
- Gomori, J. M., Grossman, R. I., Goldberg, H. I., Zimmerman, R. A., & Bilaniuk, L. T.
- Venue
- Radiology
- Published
- 1985-10
- Volume
- 157
- Issue
- 1
- Pages
- 87-93
- ISSN
- 0033-8419 (ISSN-L)
- 1527-1315
- OpenAlex
- W2023759724
- Cited by
- 731
- References
- 0
- FWCI
- 42.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gomori, J. M., Grossman, R. I., Goldberg, H. I., Zimmerman, R. A., & Bilaniuk, L. T. (1985). Intracranial hematomas: imaging by high-field MR. Radiology. https://doi.org/10.1148/radiology.157.1.4034983
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
