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Serial magnetic resonance imaging changes in hypoglycemic encephalopathy.
Chuo-Yu Lee1, Kuang-Chung Liou, Lu-An Chen
1Department of Neurology, Mackay Memorial Hospital, Taiwan.
Acta Neurologica Taiwanica
|March 13, 2013
Summary
Serial magnetic resonance imaging (MRI) in hypoglycemic encephalopathy revealed evolving brain lesions, showing initial subcortical white matter changes followed by cerebral cortex involvement and eventual atrophy. This highlights the dynamic nature of brain injury in this condition.
Area of Science:
- Neurology
- Radiology
- Endocrinology
Background:
- Hypoglycemic encephalopathy can cause significant brain injury.
- Serial neuroimaging is crucial for understanding disease progression.
- Limited data exists on serial MRI findings in hypoglycemic encephalopathy.
Observation:
- A 53-year-old male developed hypoglycemic encephalopathy after misusing oral hypoglycemic agents.
- Initial diffusion-weighted imaging (DWI) showed symmetrical subcortical white matter lesions.
- Follow-up DWI revealed new cortical lesions and resolution of white matter abnormalities.
Findings:
- Sequential MRI demonstrated transient subcortical white matter lesions followed by cerebral cortical involvement.
- Brain atrophy was evident on later imaging.
- Diffusion-weighted image abnormalities resolved over time, but brain atrophy persisted.
Implications:
- Serial MRI is valuable for monitoring brain changes in hypoglycemic encephalopathy.
- Early normal DWI does not exclude potential brain damage.
- Understanding these dynamic imaging changes is vital for patient management and prognosis.
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