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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Endoscopic treatment of lumbar ligamentum flavum cyst by interlaminar approach: a minimally invasive and effective alternative to open surgery

Fig. 1

Preoperative MRI showed a mass in the left front of the dural sac in the L4/5 spinal canal a Sagittal T2WI showed spinal stenosis at the L4/5 level, and the mass in the spinal canal showed high signal compared with cerebrospinal fluid. b Sagittal fat compression imaging showed that the signal in the mass was the same as that of the cerebrospinal fluid, showing a high signal, with a clear boundary with the dura mater. c Coronal T2WI showed a mass in the left front of the dural sac in the L4/5 spinal canal, the density was similar to the cerebrospinal fluid, showing a high signal, and a clear boundary with the dural sac

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X