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Early diagnosis of leukoencephalopathy of acute lymphocytic leukemia by MRI
Abstract:
Using repeated computed tomographic and magnetic resonance imaging scans, we examined 8 patients with acute lymphocytic leukemia during remission induction therapy between 1988 and 1989. In 3 patients, leukoencephalopathy was diagnosed by T2-weighted magnetic resonance imaging. In 1 patient, leukoencephalopathy was progressive and irreversible brain damage and mental retardation persisted. In the other 2 patients, hyperintense lesions in the periventricular white matter were transient and no neurologic sequelae ensued. Magnetic resonance imaging was more useful than computed tomography in the early diagnosis and management of these acute lymphocytic leukemia patients with leukoencephalopathy.
Insights
Magnetic resonance imaging aids in diagnosing leukoencephalopathy in acute lymphocytic leukemia patients undergoing remission induction therapy. While some cases show irreversible brain damage, others have transient lesions with no lasting neurologic effects.
Area of Science:
- Neurology
- Oncology
- Radiology
Background:
- Acute lymphocytic leukemia (ALL) treatment can lead to complications.
- Neuroimaging plays a crucial role in monitoring treatment-related adverse effects.
Observation:
- Eight patients with ALL undergoing remission induction therapy were evaluated using serial computed tomography (CT) and magnetic resonance imaging (MRI).
- Leukoencephalopathy was identified in three patients via T2-weighted MRI.
- One patient experienced progressive leukoencephalopathy with persistent, irreversible brain damage and mental retardation.
Findings:
- Hyperintense lesions in the periventricular white matter were transient in two patients, with no subsequent neurological deficits.
- MRI demonstrated superior utility compared to CT for the early detection and management of leukoencephalopathy in ALL patients.
Implications:
- Early MRI diagnosis of leukoencephalopathy is critical for managing ALL patients.
- Understanding the spectrum of neuroimaging findings in ALL-induced leukoencephalopathy can guide patient care and prognosis.
- This study highlights the importance of advanced neuroimaging in identifying and monitoring treatment-related neurological complications in pediatric oncology.