• Clin Neurophysiol · Nov 2004

    Case Reports

    Night terrors associated with thalamic lesion.

    • Giancarlo Di Gennaro, Alain Autret, Addolorata Mascia, Paolo Onorati, Fabio Sebastiano, and Pier Paolo Quarato.
    • Epilepsy Surgery Unit, Department of Neurosciences, IRCCS Neuromed, via Atinense, n 18,Pozzilli (IS) 86077, Italy. gdigennaro@neuromed.it
    • Clin Neurophysiol. 2004 Nov 1; 115 (11): 2489-92.

    ObjectiveTo describe a case with night terrors (NT) symptomatic of a thalamic lesion.MethodsVideopolysomnography and brain MRI were used to study a 48 year old woman with a recent onset of brief episodes, occurring exclusively during nocturnal sleep, where she suddenly sat up in bed, screamed and appeared to be very frightened.ResultsVideopolysomnography recorded an episode suggestive of NT. Sleep fragmentation with frequent brief arousals or microarousals was also evident mainly during slow wave sleep. The brain MRI showed increased T2 signal from the right thalamus suggestive of a low-grade tumor.ConclusionsOur case suggests that NT starting in adulthood can, rarely, be symptomatic of neurological disease, and warrant further investigation with MRI.SignificanceA thalamic dysfunction, disrupting at this level the arousal system, may play a role in provoking NT.

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