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has been cited by the following article:

• TITLE: Bone Malformation of the Cervico-Occipital Causing a Basilar Impression and Triventricular Hydrocephalus

  AUTHORS: Tolojanahary Herizo Andrianjakamanana, Ny Ony Narindra Lova Hasina Rajaonarison, Hasina Dina Ranoharison, Emmylou Prisca Gabrielle Andrianah, Ahmad Ahmad

  KEYWORDS: Cervico-Occipital Hinge, Congenital Malformation, CT Scan, Hydrocephalus, Odontoïd

  JOURNAL NAME: Open Access Library Journal, Vol.9 No.8, August 29, 2022

  ABSTRACT: Congenital bone malformations of the cervico-occipital hinge are rare entities. They are often asymptomatic and often incidentally discovered during imaging examinations for malformative assessment or for other indications, but they can be the cause of neurological symptoms or signs of compression in the posterior fossa. We report a case of a bony malformation of the cervico-occipital hinge in a 16-year-old girl, with no medical and surgical history or known history of trauma. This malformation associates hypertrophy of the odontoid with basilar impression, causing triventricular hydrocephalus. The diagnosis was made by the cervico-cerebral scanner requested in front of a gait disorder and an attitude of cervical hyperextension since early childhood.