Radiological Features of Choroid Plexus Papillomas in Childhood

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Four cases of choroid plexus papilloma in children are presented with special references to the radiological findings. Two occurred in the third ventricle and one each in the lateral and the fourth ventricles. There are few reports in the literature about third ventricle papillomas. Angiography is one of the important radiological means for demonstrating them when they cause dilatation of the choroidal arteries, tumor stains, and hydrocephalus. Difficulties encountered in differentiating choroid plexus papillomas from other ventricular tumors are discussed.