Intracranial calcification in paediatric computed tomography

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Abstract
An analysis of the computed tomograms of 18000 children examined consecutively form the basis of an assessment of the diagnostic significance of intracranial calcification. The low incidence of physiological calcification in the pineal and choroid of about 2% up to the age of 8 years, but increasing 5-fold by the age of 15 years, is confirmed. Pathological calcification occurred in 1.6%, the commonest causes being neoplasms (43%), neuroectodermal syndromes (20%) and infections (12%). Diffuse basal ganglia calcification (15%) bore little relation to the diverse clinical symptomatology, and routine biochemical studies showed a disorder of metabolism to be present in only 6 cases. Calcification has not been previously noted in acute haemorrhagic leukoencephalitis, Pertussis or Cocksackie encephalitis, infantile neuraxonal dystrophy, Marinesco-Sjögren syndrome or in the basal ganglia in neurofibromatosis.