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To investigate pathogenesis of redundant nerve roots of the cauda equina, which were concomitant with severe lumbar spinal canal stenosis, six cadavers were examined anatomically and histopathologically, and quantitative analysis of nerve fibers was performed. In this anatomic study, it was observed that all the redundant nerve roots passed through the constriction of the spinal canal. No significant pathologic change was detected in the spinal ganglia and in the spinal cords except for the posterior column, in which dorsal redundant roots were entering. Redundant nerve roots of unequal length also were observed in the anatomic study. The spatial distribution of redundant nerve roots and the extent of degeneration of nerve fibers in them were established by these histopathologic and quantitative studies. These facts indicated a close causal relationship between redundant nerve roots and constriction of the spinal canal, and that the pathogenesis of redundant nerve roots was a squeezing force acting on the nerve roots at the area of spinal canal constriction.
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
January 2008,
Clinical neurology and neurosurgery,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
October 2015,
European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
August 2022,
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
July 1981,
Journal of the Royal College of Surgeons of Edinburgh,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
January 1978,
Acta neurochirurgica,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
October 1981,
Neurosurgery,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
October 1981,
Surgical neurology,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
April 1975,
Surgical neurology,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
March 1984,
Italian journal of orthopaedics and traumatology,
K Suzuki, and
T Takatsu, and
H Inoue, and
T Teramoto, and
Y Ishida, and
K Ohmori
September 2019,
Global spine journal,
