- Progressive Encephalomyelitis with Rigidity and Myoclonus in an Intellectually Disabled Patient Mimicking Neuroleptic Malignant Syndrome
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Zheyu Xu, Kalpana Prasad, Tianrong Yeo
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J Mov Disord. 2017;10(2):99-101. Published online March 24, 2017
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DOI: https://doi.org/10.14802/jmd.16058
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- We present a case of 32-year-old male with profound mental retardation and autism spectrum disorder who had presented with seizures, rigidity and elevated creatine kinase and was initially diagnosed as neuroleptic malignant syndrome (NMS). The patient subsequently had a complicated clinical course, developing refractory status epilepticus, which lead to the eventual diagnosis of progressive encephalomyelitis with rigidity and myoclonus (PERM). We discuss the clinical similarities and differences between NMS and PERM, and highlight the need to consider alternative diagnoses when the clinical picture of NMS is atypical, particularly in this patient group where the history and clinical examination may be challenging.
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Citations
Citations to this article as recorded by  - Progressive Encephalomyelitis with Rigidity and Myoclonus (PERM)-like Symptoms Associated with Anti-ganglionic Acetylcholine Receptor Antibodies
Yuki Kitazaki, Masamichi Ikawa, Toru Kishitani, Tomoko Kamisawa, Shunya Nakane, Yasunari Nakamoto, Tadanori Hamano
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Daniel A Rossignol, Richard E Frye
Journal of Personalized Medicine.2021; 11(6): 488. CrossRef - Progressive encephalomyelitis with rigidity: A Taiwanese case and review of literature
Anna Chang, Kuan-yu Lin, Kai-Ju Chuang, Patrick Waters, Sarosh Irani, Victor Mgbachi, Hsu-Ling Yeh, Li-Ming Lien, Hou-Chang Chiu, Wei-Hung Chen
Clinical Neurology and Neurosurgery.2021; 208: 106807. CrossRef - Neuroleptic Malignant Syndrome in Children with Autism Spectrum Disorder (ASD): A Case Report and Brief Review of Recent Literature
Stefano Berloffa, Claudia Dosi, Benedetta Tascini, Beatrice Fossati, Ilaria Lupetti, Gabriele Masi
Children.2021; 8(12): 1201. CrossRef - A case report of rigidity and recurrent lower limb myoclonus: progressive encephalomyelitis rigidity and myoclonus syndrome, a chameleon
Aurélie Degeneffe, Marie Dagonnier, Alain D’hondt, Jose Antonio Elosegi
BMC Neurology.2018;[Epub] CrossRef
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