腰椎后缘软骨结节(附16例报告)

Intraosseous Cartilaginous Node over Posterior Margin of Lumbar Spine: A Report of 16 Cases

目的:分析腰椎后缘软骨结节的临床表现、影像学特征,探讨其发病机理,加深对本病的认识。方法:对16例患者全部行X线摄片、CT检查,部分行MRI及椎管造影检查。3例保守治疗,13例手术治疗,采取全椎板、半椎板切除或椎板间扩大开窗突出椎间盘摘除术。结果:普通X线片的阳性率约为50％。16例CT平扫、6例MRI检查均呈阳性。术后随访18～48个月,平均32个月,效果良好。未出现术中、术后并发症、结论:本病形成与脊柱生长发育有关,病变为慢性演变结果。CT、MRI能显示本病的特征,且MRI可以粗略显示其病理改变,具有诊断价值。

Objective: To further understand and analyze the clinical manifestation, radiological feature and pathological mechanism of the intraosseous cartilaginous node over the posterior margin of lumbar spine. Methods: X-ray film and CT scan were taken in all of 16 cases, MR1 or myelogram was taken in partial cases Surgical treatments, such as laminectomy, sem-ilaminectomy, limited laminectomy and removal of intervertebral disc, were used in 13 cases, and conservative treatments were used in 3 cases. The cartilaginous nodes were removed in 6 cases. Results: The positive rate of X-ray film was 50% and that of CT scan in 16 cases or MRI in 6 cases was 100% . After follow-up of 18-48 (mean: 32) months, therapeutic results were good and no complication occurred. Conclusion: This condition is the result of chronic development and is asso-ciated with the growth development of spine. The CT scan and MRI can display the characteristics of this condition and MKI is of a pathological diagnosis value.