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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Percutaneous endoscopic lumbar discectomy: minimally invasive technique for multiple episodes of lumbar disc herniation

Fig. 1

T2-weighted parasagittal magnetic resonance (MR) images showing down-migrated disc herniation at the L4–5 (a and b); after first PELD (c). After removing the nucleus pulposus () and cutting the annulus (▲), the epidural space () is found to decompress (d). Pulling out the working cannula, the exiting nerve root () is found (e). MR images demonstrating complete removal of herniated disc (f and g)

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