Summary
Two cases of atlanto-axial dislocation due to ossiculum terminale of the odontoid process are reported. A new technique of posterior fusion with a Y-shaped plate is described. Embryological data, clinical features, and operative treatment of this unusual condition are discussed.
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Bret, Ph., Lecuire, J., Deruty, R., Mercier, Ph., Carlioz, P., IntérÊt de l'arthrodèse crânio-rachidienne par plaque vissée occipitovertébrale au cours des lésions instables du couple atlas-axis. Lyon Chir.75 (1979), 137–139.
Estridge, M. N., Smith, R. A., Transoral fusion of odontoid fracture. Case report. J. Neurosurg.27 (1967), 462–465.
Fang, H. S. Y., Ong, G. B., Direct anterior approach to the upper cervical spine. J. Bone Jt Surg.44 A (1962), 1588–1604.
Ford, F. R., Syncope, vertigo and disturbances of vision resulting from intermittent obstruction of the vertebral arteries due to defect in the odontoid process and excessive mobility of the second cervical vertebra. Johns Hopk. Hosp. Bull.91 (1952), 168–173.
Graham, C. E., Humphry, P. S., The os odontoideum. A case report. Aust. Radiol.13/4 (1969), 380–382.
Greenberg, A. D., Scoville, W. B., Davey, L. M., Transoral decompression of atlanto-axial dislocation due to odontoid hypoplasia. Report of 2 cases. J. Neurosurg.28 (1968), 266–269.
Greenberg, A. D., Atlanto-axial dislocations. Brain91 (1968), 655–684.
Gros, C., Privat, J. M., Frerebeau, P., Bonnel, F., Bazin, M., Benezech, J., Arthrodèse du rachis sous-occipital par plaque occipito-cervicale vissée. Neurochirurgie21 (1975), 231–238.
Kline, D. G., Atlanto-axial dislocation simulating a head injury; hypoplasia of the odontoid. J. Neurosurg.24 (1966), 1013–1016.
Lamas, E., Estevez, J., Castillo, R., Esparza, J., Os odontoideum removed by a transoral approach. Surg. Neurol.7 (1977), 312–314.
Mechler, J., Les manifestations de la vertèbre occipitale. Thèse Médecine Lyon 1971.
Mitsumori, K., Saito, H., Motomiya, M., Yada, K., Transoral approach forthe treatment of atlanto-axial dislocation with the os odontoideum and obstruction of the bilateral vertebral arteries. Neurol. Surg.3 (1975), 589–591.
Nagashima, C., Atlanto-axial dislocation due to agenesis of the os odontoideum or odontoid. J. Neurosurg.33 (1970), 270–280.
Nagashima, C., Surgical treatment of irreducible atlanto-axial dislocation with spinal cord compression. Case report. J. Neurosurg.38 (1973), 374–378.
Ochidi, Y., Yamamoto, M., Takeshita, K., Arima, M., Myelopathy in infancy complicating congenital atlanto-axial dislocation. Amer. J. Dis. Child.130 (1976), 1270–1271.
Ricciardi, J. E., Kaufer, H., Louis, D. S., Acquired os odontoideum following acute ligament injury. Report of a case. J. Bone Jt Surg.58 A (1976), 410–412.
Roberts, S. M., Congenital absence of the odontoid process resulting in dislocation of the atlas on the axis. J. Bone Jt Surg.15 (1933), 988–989.
Rougemont, de J., Abada, M., Barge, M., Les possibilités de la voie d'abord antérieure dans les lésions des trois premières vertèbres cervicales. Neurochirurgie12 (1966), 323–336.
Vlahovitch, B., Bertrand, A., Fuentes, J. M., Brahin, B., Negre, G., Plaques d'ostéosynthèse occipito-vertébrale pour localisation métastatique haute du rachis cervical. Montpellier Chir.20 (1974), 455–458.
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Bret, P., Lecuire, J., Carlioz, P. et al. Atlanto-axial dislocation due to ossiculum terminale persistens. Acta neurochir 52, 105–112 (1980). https://doi.org/10.1007/BF01400954
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DOI: https://doi.org/10.1007/BF01400954