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2015 ; 9
(ä): 57
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English Wikipedia
Pedicle Reduction Osteotomy in the Upper Cervical Spine: Technique, Case Report
and Review of the Literature
#MMPMID26609512
Post N
; Naziri Q
; Cooper CS
; Pivec R
; Paulino CB
Int J Spine Surg
2015[]; 9
(ä): 57
PMID26609512
show ga
OBJECTIVE: To present a case report of the correction of a degenerative cervical
45-degree kyphosis centered at C4 with a single stage PSO. SUMMARY OF BACKGROUND
DATA: Correction of a fixed cervical kyphosis is a surgical challenge that is
frequently managed with a combination of anterior and posterior surgical
procedures. An alternative the three stage operation is a single stage pedicle
subtraction osteotomy (PSO). A PSO releases the posterior, middle and anterior
columns of the spine by resecting the facet joints, pedicles, and a portion of
the vertebral body at the apex of a kyphosis through a posterior approach.
METHODS: This was a case report of a patient who had degenerative cervical 45
degree kyphosis and was corrected with a single stage pedicle subtraction
osteotomy. We did a literature review to provide information on current
techniques to treat these patients. RESULTS: With careful resection of the
lateral mass and decompression of the vertebral artery by removal of the
posterior margin of the foramen transversarium the upper cervical pedicles can be
accessed and a PSO can be performed. The vertebral arteries were not obstructed
or kinked with posterior reduction of the PSO in this case. CONCLUSIONS: A
closing wedge PSO is a useful tool for correcting fixed kyphotic deformities in
the upper cervical spine. Further studies are necessary to evaluate the long-term
outcomes in these patients.