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Summary
A patient with locked-in syndrome experienced corticospinal tract degeneration. Postmortem analysis revealed internal capsule infarction and cerebral peduncle necrosis, explaining the chronic condition.
Area of Science:
- Neurology
- Neuroscience
- Pathology
Background:
- Epidural hematoma can cause tentorial herniation, leading to severe neurological deficits.
- Locked-in syndrome is a rare condition characterized by complete paralysis and inability to communicate, while consciousness is preserved.
Observation:
- A 28-year-old male presented with chronic locked-in syndrome.
- The condition resulted from tentorial herniation secondary to an epidural hematoma.
Findings:
- Postmortem examination identified bilateral corticospinal tract degeneration caudal to the midbrain.
- Specific lesions included infarction of the right internal capsule and pressure necrosis of the left cerebral peduncle's pyramidal portion.
Implications:
- This case highlights the severe and lasting impact of epidural hematomas on motor pathways.
- Understanding the precise neuropathology is crucial for diagnosing and potentially managing such devastating neurological injuries.