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Publication Type : Journal Article
Source : Journal of Neurological Sciences;2016
Url : https://www.sciencedirect.com/science/article/pii/S0022510X16300089
Campus : Kochi
School : School of Medicine
Year : 2016
Abstract : Background Immunological causes of atypical parkinsonism/Parkinson plus syndromes are rare. Objective To study the clinical and laboratory features and treatment outcome of autoimmune atypical parkinsonism. Methods Retrospective case series. Patients with atypical parkinsonism and positive antibodies were identified retrospectively. Those who received immunotherapy (intravenous methyl prednisolone 1 g daily for five days followed by mycophenylate mofetil 2 g daily or azathioprine 2–3 mg/kg/day) and consented for publication of non-anonymized videos were included. Results There were ten cases (nine males, age range 49–75 years, disease duration 2 months to 13 years, follow-up 1–7 months) of atypical parkinsonism [probable multiple system atrophy (MSA)-2, possible progressive supranuclear palsy (PSP)-1, probable PSP-3]. Eight had new uncharacterized neuronal antibodies, leucine rich glioma associated protein 1 (LGI1) antibody in one, and the other had another uncharacterized neuronal antibody along with LGI1 antibody. Four had abnormal CSF. There was a prompt, dramatic improvement in terms of Unified Parkinson Disease Rating Scale motor scale and or modified Rankin Scale as well as improvement in eye movement, postural instability, cerebellar, autonomic and non-motor symptoms. Two had reappearance of symptoms on discontinuing steroids and improvement on restarting. One died of infection despite good recovery of encephalopathy and parkinsonism. Conclusion Autoimmune atypical parkinsonism is characterized by atypical parkinsonism with neuronal specific antibodies, sometimes associated with abnormal CSF and significant response to immunotherapy.
Cite this Research Publication : Sudheeran Kannoth, Anandkumar Anandakuttan, Annamma Mathai, Anuja Nirmala Sasikumar & Vivek Nambiar. Autoimmune atypical parkinsonism -A group of treatable parkinsonism. Journal of Neurological Sciences;2016 362:40-46