Multiple Sclerosis in Childhood: Clinical and Radiological Features

Abstract

We analyzed the medical records and cerebral imaging of 30 children with early onset multiple sclerosis to compare the clinical and neuro-radiological features with acute demyelinating encephalomyelitis and adult multiple sclerosis. The female:male ratio was 1.3 before the age of 12 years and increased to 4.3 after age 12 years. Optic neuritis and pyramidal dysfunction were the most common presenting clinical features. The most common radiological features at first imaging were periventricular (77.2%), corpus callosal demyelination (63.6%), gadolinium enhancement (62.5%), and Dawson's fingers (40.9%). The median relapse rate per patient year was 1.2 ([IQR] 0.6-2.0). Seven patients reached a moderate Expanded-Disability-Status-Scale score of 3 and 3 patients were more severely affected (score of 6). Expanded-Disability-Status-Scale score increased by 0.7 for every relapse. Ten patients were commenced on immunomodulatory therapy (Interferon beta 1a, n = 9; Interferon beta 1b, n = 3; or Glatiramer acetate, n = 1), the majority of who had minimal side effects and a reduction in relapse rate.

Keywords

acute disseminated encephalomyelitis ADEM early onset multiple sclerosis MS interferon glatiramer outcome MRI

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