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. 2022 Aug 15;19(3):792–804. doi: 10.14245/ns.2143116.558

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Copyright © 2022 by the Korean Spinal Neurosurgery Society

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — (A, B) A case of epidural hematoma after UBE-LD surgery: a 52-year-old woman underwent UBE-LD surgery for lumbar disc herniation in the left foramen area (red arrows). (C, D) Radiation pain of the right lower limb with a visual analogue scale of 9 suddenly appeared on the third day after operation, the magnetic resonance imaging (MRI) showed the epidural hematoma (blue arrows). (E, F) The symptoms were relieved immediately after hematoma clearance operation, and MRI indicated that the epidural hematoma had been removed. UBE-LD, unilateral biportal endoscopy lumbar discectomy.