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To evaluate the effectiveness of a modified transpedicular approach for treating highly migrated upper lumbar disc herniation.

Modified unilateral biportal endoscopic transpedicular discectomy for highly migrated upper lumbar disc herniation: a case report

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To evaluate the effectiveness of a modified transpedicular approach for treating highly migrated upper lumbar disc herniation.
Case report of a 69-year-old man with severe ULDH symptoms.
Utilized modified posterior transpedicular approach with unilateral biportal endoscopy (UBE).
Applied 'Cortical Guidance' for navigating to the ventral pathology with minimal bone removal.
Complete resection of herniated disc fragments achieved postoperatively.
Significant reduction in VAS and ODI scores from 7/10 and 74 to 1/10 and 12, respectively.
Complete neurological recovery observed at 6-month follow-up.

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Case report demonstrates effective discectomy technique in upper lumbar herniation, suggesting a safe surgical option.

Wang et al. (2026) studied this question.

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