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Diffusion-weighted imaging shows cytotoxic and vasogenic edema in eclampsia
S Koch1, A Rabinstein, S Falcone
1Department of Neurology, University of Miami School of Medicine, Miami, FL 33136, USA.
AJNR. American Journal of Neuroradiology
|June 21, 2001
Summary
Diffusion-weighted imaging (DWI) can detect cytotoxic edema in eclampsia, which may progress to stroke. This technique aids in the early identification of ischemic infarcts in eclamptic patients, improving diagnostic capabilities.
Area of Science:
- Neurology
- Radiology
- Obstetrics
Background:
- Eclampsia is a severe complication of pregnancy characterized by seizures.
- Magnetic resonance (MR) imaging in eclampsia typically reveals reversible T2 hyperintensities in parietal and occipital regions, indicative of vasogenic edema.
Observation:
- This case describes a patient with eclampsia exhibiting both vasogenic and cytotoxic edema on diffusion-weighted imaging (DWI).
Findings:
- Diffusion-weighted imaging (DWI) identified cytotoxic edema, a finding not typically emphasized in eclampsia.
- Follow-up MR imaging demonstrated the progression of cytotoxic edema to cerebral infarction, indicating early ischemic changes.
Implications:
- Diffusion-weighted imaging (DWI) may enable the early detection of ischemic infarcts in eclampsia.
- This highlights the potential of DWI in assessing the severity and evolution of neurological complications in eclampsia.