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KMID : 0391520150230030124
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Journal of the Korean Child Neurology Society
2015 Volume.23 No. 3 p.124 ~ p.129
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The Effectiveness of Brain Magnetic Resonance Imaging in Pediatric Patients with various neurologic symptoms
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Cho Tae-Hee
Kim June
Kim Sun-Jun
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Abstract
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Purpose: The aim of this study was to analyze the reasons of taking brain magnetic
resonance imaging (MRI), determine the prevalence of the abnormal findings on the
images and calculate the yield rate according to the symptoms in pediatric patients
with the various neurologic conditions.
Method: We retrospectively analyzed a total of 2,398 pediatric patients aged 0-19 years
underwent a brain MRI at Chonbuk National University Hospital from January 2010 to
December 2014. Two hundreds and seventy eight patients who were diagnosed with
precocious puberty and 434 patients who were on follow up of previously diagnosed
diseases were excluded. A total of 1,686 MRI scans was used to make the result of the
study. The chief complaints were recorded by reviewing charts. The abnormalities found
on MRI were divided into benign or pathologic findings and the yield rate was calculated
respectively.
Results: The most frequent reason to take brain MRI was seizure, 657 (39.0%) followed
by headache, 293 (17.4%) and central nervous system infection, 142 (8.4%). The patients
with abnormal findings were categorized into two groups as follows: 407 (24.1%) had
pathologic findings, 511(30.3%) had benign findings. When we consider patients with
both pathologic and benign findings, the patients with benign findings are even more
597 (35.4%). The symptoms with relatively high yield rate in the pathologic findings were
hypotonia, macrocephaly and central nervous system infection.
Conclusion: Our data may help clinicians make a decision of ordering brain MRI for
pediatric patients with various neurologic conditions.
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KEYWORD
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Brain MRI, Effectiveness, Yield rate
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