![]() ![]() ![]() Early diagnosis and treatment via laminectomy and discectomy is critical to achieving the best postoperative outcomes. Both patients with cauda equine syndrome showed a total recovery post-surgery. The PEMLDF patients with radiculopathy had no complaints of weakness or pain after surgery. We performed laminectomy and discectomy in all patients. A definitive diagnosis was made intraoperatively. In some patients there was a tract-like enhancement extending from the outer aspect of the disc to the posterolateral epidural space. The MRI findings in each case showed masses with slightly high signal intensity in T2-weighted images, as well as heterogenous and peripheral rim enhancement after contrast enhancement. Two patients suffered from cauda equine syndrome, and the other two patients complained of radiculopathy. The mean age of the patients was 53.5 years. In this study, we reported four additional cases of PEMLDF and reviewed the relevant literature. Magnetic resonance imaging (MRI) findings can often result in cases of PEMLDF being misdiagnosed as extradural masses of other origin or epidural hematomas. Posterior epidural migration of lumbar disc fragment (PEMLDF) is a very rare condition that may lead to a serious neurological deficit such as cauda equina syndrome. ![]()
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