Krupski Witold, Majcher Piotr, Fatyga Marek, Złomaniec Janusz
II Zakład Radiologii Lekarskiej Akademii Medycznej, Lublin.
Ortop Traumatol Rehabil. 2003 Apr 30;5(2):243-7.
Background. The aim of the study is the evaluation of the spatial imaging computed tomography (3D CT) of lumbo-sacral spine after surgically treated spondylolistesis L5-S1 with the postero-lateral spondylodesis using autogenic bone grafts.
Material and methods. Material comprises 9 patients treated surgically due to I degrees spondylolistesis caused by the L5 vertebra spondylolysis. In all cases postero-lateral spondylodesis was performed using autogenic bone grafts, taken from the iliac crest, placed on the transverse processes of the L5 vertebra and the sacral bone. The CT examination was performed in the period between 6 months up to 2 years after operation due to overloading lumbar pain.
Results. The bone grafts was localized correctly in 8 patients. In 1 person the upper side of the one bone graft was localized incorrectly, on the prominent transverse processus of the S1 vertebra, instead of the L5 one. The spatial reconstruction reveal the presence of osteophytes surrounding the ends of the bone grafts or the localization the fissure of the arch. In 2 cases the bone grafts were bigger on the left side, and the wide lower ends were connected with the dorsal surface of the sacral bone and were connected with the shorten due to surgery iliac crest
Conclusions. The CT examination with the use of the spatial option is very valuable in the lumbo-sacral spine imaging in patients treated with the postero-lateral spondylodesis due to spondylolisthesis L5-S1. The spatial images 3D CT are especially useful in imaging of the localization of the bone grafts, assessment of the wide of spinal canal and intervertebral foramens. The use of spatial imaging 3D is valuable supplement of standard CT examination in diagnosis of the patients complaining of the lumbar pain, treated surgically due to spondylolistesis.
背景。本研究的目的是评估在采用自体骨移植进行后路外侧腰椎融合术治疗L5 - S1椎体滑脱后，腰骶椎的空间成像计算机断层扫描（3D CT）情况。
材料与方法。材料包括9例因L5椎体峡部裂导致I度椎体滑脱而接受手术治疗的患者。在所有病例中，均采用取自髂嵴的自体骨移植进行后路外侧腰椎融合术，将其置于L5椎体横突和骶骨上。因腰部疼痛加重，在术后6个月至2年期间进行了CT检查。
结果。8例患者的骨移植定位正确。1例患者的一块骨移植上侧定位错误，位于S1椎体的突出横突上，而非L5椎体的横突。空间重建显示骨移植两端周围存在骨赘或椎弓裂隙的定位情况。2例患者左侧的骨移植较大，宽的下端与骶骨背面相连，并与因手术而缩短的髂嵴相连。
结论。对于因L5 - S1椎体滑脱接受后路外侧腰椎融合术治疗的患者，使用空间选项的CT检查在腰骶椎成像中非常有价值。3D CT空间图像在骨移植定位成像、椎管和椎间孔宽度评估方面尤其有用。在诊断因椎体滑脱接受手术治疗且主诉腰部疼痛的患者时，使用3D空间成像对标准CT检查是有价值的补充。
