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Hashimoto's encephalopathy presenting with isolated cerebellar ataxia in 13 children / 中华儿科杂志
Chinese Journal of Pediatrics ; (12): 46-50, 2022.
Article in Chinese | WPRIM | ID: wpr-935638
ABSTRACT

Objective:

To analyze the clinical characteristics, treatment and prognosis of Hashimoto's encephalopathy presenting with isolated cerebellar ataxia in children.

Methods:

A retrospective analysis was performed on the clinical features, laboratory tests, neuroelectrophysiological examination, imaging, treatment and outcomes of 13 patients with Hashimoto's encephalopathy presenting with isolated cerebellar ataxia, who were admitted to the Department of Pediatric Neurology of Guangzhou Women and Children's Medical Center from January 2016 to May 2021.

Results:

Among the 13 cases, 6 were males and 7 were females. The onset age was 2.6 (2.0,3.3) years, 9 children had precursor infection or vaccination before the first course of disease. All the 13 children had gait abnormalities or unsteady sitting, 10 had intentional tremor, 6 had dysarthria, 3 had body tremor, 2 had nystagmus, 3 had fatigue, 3 had hypotonia, 2 had vomiting and 1 had irritability. Thyroglobulin antibody (TgAb) was 500.0 (298.9,587.2) kU/L and thyroid peroxidase antibody (TPOAb) was 621.9 (449.6,869.4) kU/L in 13 cases. Autoantibodies were positive in 9 cases, and cerebrospinal fluid leukocytosis was seen in 4 cases. Regarding electroencephalography result, 4 cases had background slowing and 1 case had occasional sharp waves. Among the 3 patients who had relapses, 1 had cerebellar atrophy shown on cranial magnetic resonance imaging (MRI) during the recurrence. All the patients received intravenous immunoglobulin (IVIG) and intensive methylprednisolone therapy during the first onset, followed by the disappearance of the symptoms, 1 patient had repeated episodes which was decreased after immunosuppressive treatment with Rituximab.Followed up for 25.0 (22.5,33.3) months after the last episode, 12 achieved complete remission and 1 had a wide base gait.

Conclusions:

Trunk ataxia is the common symptom of Hashimoto's encephalopathy presenting with isolated cerebellar ataxia in children.Children with cerebellar ataxia should be tested for TgAb and TPOAb to detect Hashimoto's encephalopathy, avoiding missed diagnosis and treatment delays; IVIG and intensive steroid therapy is effective, and immunosuppressive therapy for patients with multiple relapses could reduce the recurrence.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Autoantibodies / Cerebellar Ataxia / Retrospective Studies / Encephalitis / Hashimoto Disease Type of study: Observational study / Prognostic study Limits: Child / Female / Humans / Male Language: Chinese Journal: Chinese Journal of Pediatrics Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Autoantibodies / Cerebellar Ataxia / Retrospective Studies / Encephalitis / Hashimoto Disease Type of study: Observational study / Prognostic study Limits: Child / Female / Humans / Male Language: Chinese Journal: Chinese Journal of Pediatrics Year: 2022 Type: Article