Dysplastic gangliocytoma of the cerebellum is a very rare lesion. The other names assigned to this pathology are Lhermitte-Duclos disease. ganglioneuroma. hamartoma of the cerebellum. purkengioma. granule cell hypertrophy or granulomolecular hypertrophy of the cerebellum. Only few cases have been reported in the literature (1-20).since the first report by Lhermitte and Duclos (11).Clinically. t...