Incidence of Basal Ganglia Calcifications on Computed Tomography

Abstract
In a group of 3,800 computed tomography examinations, 14 patients (0.4%) had high attenuating lesions suggesting calcifications within the basal ganglia. The lesions were bilateral in all patients. A majority of the patients had psychic symptoms and convulsion. EEG changes were frequent and extrapyramidal symptoms occurred. Until now only 3 patients have been endocrinologically examined. One of them had hypoparathyroidism. Since parathyroid dysfunction frequently is associated with calcifications of the basal ganglia, these patients should be referred for endocrinological evaluation.

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