[Dislocation of the superior cervical spine in the Larsen syndrome]

The discovery of a dislocation of the upper cervical rachis through corporeal hypoplasia of the C3 ans listhesis of the C2 gives rise, at the age of 18 months, to a stabilization by means of surgery due to the threat of compression myelithis. A review of relevant literature brings to emphasis the ill-knowledge of spinal damage and the wide variety of its different types in cases of the Larsen syndrome.