Fig.11.
Foramen hernia of L4-L5 disk, localized on the left (1), ossification of the posterior longitudinal ligament (2) and superior articular process (3).
Fig.12.
Saggital reconstruction of the same patient. Schmorl's body (1) of L5 disk and osteophyte at the place of attachment of the posterior longitudinal ligament (2). Prolapse (extrusion) of the disk (4) along the whole length of the intervertebral foramen. Osteophyte of the superior articular process (3).