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- general medicine (see internal medicine)
- intensive & critical care
- head & neck imaging
An 80-year-old woman presented to the emergency department with acute behavioural changes. She experienced emotional liability, urinary incontinence, copracrasia, tremors, confusion, slowness of movement and difficulty in problem solving. Her previous medical history was mild hypertension and dementia. Her vital signs were unremarkable. A T2-weighted fluid-attenuated inversion recovery MRI scan showed symmetric hyperintense signals in the bilateral globus pallidus (figure 1). Her family disclosed that she was treated at a hospital for carbon monoxide …
Contributors HM contributed to writing the manuscript, patient care and discussion. YY also contributed to discussion and patient care.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Parent(s)/guardian(s) consent obtained.
Provenance and peer review Not commissioned; internally peer reviewed.