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Early Pathological and Magnetic Resonance Detection of Cerebral Injury Using a Rat Model of Neonatal Hypoxic Ischemic Encephalopathy
Published on: October 28, 2022
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Longitudinal magnetic resonance findings in delayed posthypoxic leukoencephalopathy
Mimi N Phan1, Mohammad Obadah Nakawah2
1College of Medicine, Texas A&M Health Science Center, Houston, Texas.
Proceedings (Baylor University. Medical Center)
|October 26, 2020
Summary
Delayed posthypoxic leukoencephalopathy is a rare neurological condition. This case highlights its progressive white matter changes after initial recovery from hypoxia.
Area of Science:
- Neurology
- Neuroimaging
- Neuroscience
Background:
- Delayed posthypoxic leukoencephalopathy (PHL) is a rare neurological disorder.
- It typically follows prolonged cerebral hypoxia and presents with delayed neuropsychiatric symptoms after initial recovery.
Observation:
- A 76-year-old man experienced an unwitnessed fall, leading to hypoxia.
- He initially recovered but then developed progressive neurocognitive decline, including dementia, dysphasia, and gait apraxia.
Findings:
- Initial brain MRI was normal.
- Subsequent imaging revealed progressive leukoencephalopathy, characterized by evolving diffusion restriction and white matter signal changes in the frontal lobes over 3 weeks.
Implications:
- This case underscores the importance of serial neuroimaging in diagnosing delayed PHL.
- It highlights the potential for delayed neurological sequelae even after apparent recovery from hypoxic events.
- Understanding the progression of PHL is crucial for patient management and prognosis.
