Neuroradiological findings in Jadassohn nevus phakomatosis: a report of four cases

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Abstract
Four patients with Jadassohn nevus phakomatosis (linear nevus sebaceus syndrome, Schimmelpenning-Feuerstein syndrome) are described. Neuroradiological findings consisted of skull asymmetry shown by X-rays and hemimegalencephaly with ventricular system asymmetry on CT. Three of the patients showed, in addition, a widened insula. In two patients areas of increased density suggesting calcium deposits were seen. Skull asymmetry was progressive during infancy in two of the patients. It is presumed that these findings are secondary to the progression of the underlying central nervous system disorder.