Fig.13.
Three-dimensional superficial reconstruction of L2-S1 vertebrae of the same patient. Deformity and narrowing of the intervertebral foramen of L4-L5 on the left.
Fig.14.
Three-dimensional superficial reconstruction of L2-S1 vertebrae of the same patient. A saggital slice. Osteophytes of the posterior longitudinal ligament (1) and superior articular process (2) narrow and deform the intervertebral foramen of L4-L5 on the left.