Lampe J, Willenberg E, Vitzthum H E, Minda R
Zentralbl Neurochir. 1986;47(2):116-9.
Long-lasting, high-degree, degenerative alterations of the vertebral column and the abnormal fixation of the dural sac as pathogenetic factors of a transdural advancing of sequestered lumbar hernia of the intervertebral disks are discussed.