MRI对腰椎间盘终板下骨质退行性改变的诊断价值

The value of MRI in diagnosing under endplate osteochondritis with lumbar disc degeneration

目的：观察分析腰椎终板下骨质退行性改变的MRI表现。方法：搜集近期腰椎MRI平扫病例71例，其中终板炎患者43例，男22例，女21例；年龄31～89岁，平均53岁。分析各型终板异常MRI信号改变。结果：43例患者中91个终板信号异常，根据不同的MRI信号改变，将终板骨软骨炎分为4型。结论：终板下骨质退行性改变是导致下腰部局部疼痛的原因之一，MRI是其最佳的诊断方法。

Objective： To investigate and analyse the MRI features of endplate osteochondritis in lumbar disc degeneration. Methods： Seventy-one patients were undertook MRI scanning, of which 43 showed endplate osteochondritis, （ male 22 cases and female 21 cases, age from 31 to 89 years with an average of 53 years）. MRI findings of the abnormal endplate were retrospectively reviewed analyzed. Results： Endplate osteochondritis was identified in 43 cases, and 91 endplates were involved. Based on the MRI features, 4 types endplate osteochondritis were defined. Conclusion： MRI is the best method in diagnosing endplate osteochondritis, which is one of the causes in lumbar pain.