A unresponsive 45-year-old male

6

Acute carbon monoxide poisoning

Discussion

Findings
– Globus Pallidus
• CT hypodense
• T2/DWI hyperintense
Differential
– Carbon monoxide poisoning
– Wilson disease
– Japanese encephalitis

Acute carbon monoxide poisoning

  • Anoxic-ischemic encephalopathy due to inhaled CO
  • Carbon monoxide impairs hemoglobintransport of oxygen
  • Infarct of globi pallidi
  • Restricted diffusion in early/acuteexposure

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