| Summary: | Background: Clinical manifestation of carbon monoxide (CO) poisoning depends on the concentration of CO and duration of exposure. Neurologic presentation is closely related to lesions in the brain. Case Report: A married couple suffered from CO exposure from a car engine that was used as a heater during an overnight stay in a cabin. Two weeks later, the wife developed cognitive problems. Neurologic examination was indicative of Gerstmann syndrome. However, her husband was normal. Their brain MRI showed a similar degree of diffuse white matter change. The brain MRI of the wife showed additional lesions in the globus pallidum (GP). Conclusion: The duration and amount of CO exposure experienced by the couple was the same, hence the GP lesion had a possible role in the clinical manifestations.
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