Three cases of basilar impression are presented with the review of the literatures. 2) The deformity is of a rare congenital origin, and is characterized by a flattening of the base of the skull and by an invagination of the upper cervical spine into the posterior fossa. In addition to the above mentioned findings the patients were accompanied with the following : torticollis, occipitalization, Klippel-Feil syndrome and deformed foramen magnum (a female aged 42 years) ; torticollis, platybasia and narrowing of the space between the atlas and the occiput (a female aged 17)• torticollis, occipitalization, deformed foramen magnum, asymmetry of the skull, digital impression,
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