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A case of carmofur-induced leukoencephalopathy--MR images and CT findings
H Saitoh1, Y Shinohara, H Fujita
1Department of Neurology, School of Medicine, Tokai University, Kanagawa, Japan.
Abstract:
In a patient with carmofur-induced leukoencephalopathy with a fairly good prognosis, serial MR images demonstrated reversible abnormal signal intensity areas located in the cerebral white matter surrounding the lateral ventricles. These findings suggested that the edematous change together with demyelination of the white matter is important in the pathogenesis underlying carmofur-induced leukoencephalopathy.
Insights
Carmofur can cause reversible leukoencephalopathy, affecting brain white matter. Edema and demyelination are key factors in this condition, offering a good prognosis.
Area of Science:
- Neuroscience
- Radiology
- Toxicology
Background:
- Carmofur is a chemotherapeutic agent.
- Leukoencephalopathy is a rare but serious adverse effect of some chemotherapies.
- Understanding the imaging characteristics and pathogenesis of drug-induced leukoencephalopathy is crucial for patient management.
Observation:
- Serial magnetic resonance imaging (MR) scans were performed on a patient diagnosed with carmofur-induced leukoencephalopathy.
- The patient exhibited a relatively good prognosis.
- MR images revealed reversible abnormal signal intensities in the cerebral white matter, particularly around the lateral ventricles.
Findings:
- The observed reversible signal abnormalities in the white matter suggest a dynamic process.
- Edematous changes and demyelination in the white matter are identified as significant contributors to the pathogenesis of carmofur-induced leukoencephalopathy.
- These imaging findings correlate with the clinical presentation and prognosis.
Implications:
- The reversibility of the findings on MR imaging highlights the potential for recovery in carmofur-induced leukoencephalopathy.
- Identifying edema and demyelination as key pathogenic mechanisms aids in understanding and potentially treating this condition.
- This case underscores the importance of serial neuroimaging in evaluating drug-induced neurological toxicities.