ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2022
How to look for intracranial calcification in children with neurological disorders: CT, MRI, or both of them?
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Taenia solium neurocysticercosis: Its current epidemiological, diagnostic, therapeutic, and control landscapes.PLoS neglected tropical diseases · 2026Review
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7 authors at 5 institutions in 2 countries.
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Abstract
backgroundIntracranial calcification (ICC) is an important diagnostic clue in pediatric neurology. Considering the radiation-induced cancer risk associated with computed tomography (CT), we aim to define the diagnostic value of magnetic resonance imaging (MRI) sequences sensitive to paramagnetic/diamagnetic substances in the detection of ICC, comparing with CT scanning. MATERIALS AND
methodsWe selected MRI and CT scans performed in children affected by neurological conditions associated with ICC referred to the participating centers between 2005 and 2018. Inclusion criteria were age at neuroradiological investigation < 18 years, availability of good quality CT positive for calcification, and MRI scan that included GE or/and SWI sequences, performed no more than 6 months apart.
resultsEighty-one patients were included in the study. CT and MRI scans were reviewed by consensus. MRI failed to detect ICC in 14% of the cases. Susceptibility-weighted imaging (SWI) was the best MRI sequence to use in this setting, followed by gradient echo imaging. In 19% of the cases, CT could have been avoided because the identification or monitoring of ICC has not been necessary for the clinical management of the patient.
conclusionIn the diagnostic workup of pediatric-onset neurological disorders of unknown cause, the first step to look for ICC should be an MRI that includes SWI and GE sequences. If ICC is absent on MRI, brain CT scanning should be performed at least once. When the identification or monitoring of ICC is unlikely to add information useful for patient's follow-up or treatment, we recommend not performing CT scanning.
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