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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Treatment of gas-containing lumbar disc cysts via a combination of posterior and extraforaminal approaches in arthroscopic-assisted uni-portal spine surgery: a case report and literature review

Fig. 1

Preoperative imaging findings of the patient. The red arrows highlight the gas-containing cyst, whereas the green arrows indicate the “vacuum phenomenon” within the intervertebral disc. (A, B) Preoperative flexion and extension X-rays. (C, D) Preoperative sagittal CT images reveal intraspinal and foraminal cysts, demonstrating their close proximity to the intervertebral disc while maintaining a considerable distance from the osseous structures of the facet joint. (E) Preoperative coronal CT imaging illustrates the extension of the gas-containing cyst from the spinal canal into both intra- and extraforaminal regions. (F) Preoperative axial CT images reveal that the intraspinal and foraminal cysts are not entirely interconnected. (G) Axial T2-weighted MRI. (H) Sagittal T1-weighted MRI. (I) Sagittal T2-weighted MRI. (J) Sagittal fat-suppressed T2-weighted MRI

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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