ArticleAJNR. American journal of neuroradiology2025
Dextromethorphan-Associated Neurotoxicity with Cerebellar Edema Syndrome in Young Children: Neuroimaging Features.
Article in AJNR. American journal of neuroradiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Dextromethorphan toxicity in young children (especially those 4 years of age or younger) can have an extremely poor prognosis if untreated. However, if timely recognized and optimally managed, it can have a good clinical outcome despite a profound initial insult. We present 3 pediatric cases (younger than 5 years of age) with sudden unresponsiveness following ingestion of cough medications containing dextromethorphan. All these children showed cytotoxic edema in the cerebellar hemispheres on MR of the brain, with diffusion-restricting foci in the supratentorial white matter in 2 patients. These features resemble the recently described acute opioid toxidrome in children, pediatric opioid use-associated neurotoxicity with cerebellar edema (POUNCE). Hence, we named this entity dextromethorphan-associated neurotoxicity with cerebellar edema (DANCE) to increase the awareness of dextromethorphan toxicity in young children and the need to promptly recognize it to initiate optimal management.
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