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New York, October 15
MRI brain scans can help identify children at high risk of developing multiple sclerosis (MS) much before symptoms appear, which may lead to earlier diagnosis and treatment.
By the time multiple sclerosis (MS) is diagnosed in children, it may be difficult to prevent the disabilities and relapses that come with the disease.
The study by researchers from Yale University in the US showed that the MRIs can reveal changes in the brain associated with MS before the clinical symptoms of the disease appear in children.
For the study, 38 children at 16 sites in six countries underwent MRI scans for other reasons, most commonly headache, but the MRIs unexpectedly revealed signs of MS.
Having MRI findings of MS without any symptoms of the disease has been termed radiologically isolated syndrome (RIS) and previously had only been seen in adults.
“For the first time we have proposed a definition of RIS in children,” said Naila Makhani, assistant professor at Yale School of Medicine.
“Children with RIS may represent a high-risk group of children that needs to be followed more closely for the later development of clinical multiple sclerosis,” said Makhani, lead author of the study published in the journal Neurology: Neuroimmunology and Neuroinflammation.
About 42 per cent of children in the study with MRI findings of MS developed the first clinical symptoms of the disease about two years after the abnormal MRI, which shows a faster development of the disease than has been reported in adults.
Children who had a specific marker in spinal fluid or who had MRI changes in the spinal cord, were at greatest risk of developing the clinical symptoms of MS.
Makhani said five of the children in the study received an approved treatment for multiple sclerosis to try to prevent the disease. This number is too small to accurately draw conclusions about the effect of treatment, she noted.
“We hope that our work will help inform expert guidelines for how to follow up children with RIS and help us accurately inform families of the risk of later developing multiple sclerosis, something we were previously unable to do,” said Makhani.
