Radiation necrosis: features
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Radiation necrosis: features. Contrast enhancing white matter lesions, Cysts, Necrosis if lesions are >2cm. Fully referenced neurology checklist.
Magnetic resonance imaging (MRI) features
- Contrast enhancing white matter lesions
- Cysts
- Necrosis if lesions are >2cm
Diffusion weighted imaging (DWI) features
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Differentials: causes of new lesions post-radiation
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Predictors of progression
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References
- Biousse V, Newman NJ, Hunter SB, Hudgins PA. Diffusion weighted imaging in radiation necrosis. JNNP 2003; 74:382-384.
- Wang YX, King AD, Zhou H, et al. Evolution of radiation-induced brain injury: MR imaging-based study. Radiology 2010; 254:210-218.
- Liao H, Zhu Z, Rong X, Wang H, Peng Y. Hyponatremia is a potential predictor of progression in radiation-induced brain necrosis: a retrospective study. BMC Neurol 2018; 18:130.
