Epidermoid tumors of the fourth ventricle constitute a rarity and pose diagnostic difficulties. We present 3 cases of IV ventricle epidermoid tumor extracted from our serie of 35 posterior fossa epidermoids (cerebellopontine angle) operated between 1977 and 1992. Clinical and radiological data are presented and the best diagnostic screening method and considerations concerning total removal are discussed.
Los epidermoides del IV ventrículo constituyen una rara entidad clínico-quirúrgica debido a su baja frecuencia y pueden determinar dificultades en su diagnóstico. De nuestra serie de 35 epidermoides de fosa posterior (ángulo pontocerebeloso) operados entre 1977 y 1992, se presentan 3 casos de lesiones a nivel del IV ventrículo. Se analizan los datos clínicos y neuroradiológicos y se discute el mejor método para llevar a cabo un «screening» diagnóstico y una exéresis total.
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