ArticleFrontiers in medicine2026
Spinal schwannoma missed on lumbar MRI: a case report.
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Occult residual disease after presumed gross-total resection of a predominantly intramuscular paraspinal lumbar schwannoma: a case report introducing the VERIFY-GTR end-of-resection bundle.Journal of spine surgery (Hong Kong) · 2026Article
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Authors and funding
3 authors.
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Abstract
A 55-year-old male presented with 9 months of left buttock and lower limb pain, initially misdiagnosed as lumbar disk herniation. Unsuccessful lateral recess block and physical therapy prompted further evaluation. Lumbar magnetic resonance imaging (MRI) revealed a right L5 nerve root cyst, yet symptoms worsened. Examination showed left paraspinal tenderness, grade IV left lower limb weakness, hyperesthesia, and positive straight leg raise tests. Selective nerve root block localized the lesion to the left L5 root; contrast-enhanced MRI identified an L4-5 facet joint cyst with inflammation. Arthroscopic-assisted Uni-portal Spinal Surgery (AUSS) endoscopic resection under general anesthesia was performed, with pathology confirming schwannoma. Postoperatively, pain intensity (numerical rating scale, NRS) decreased from 7 to 2 within 24 h; discharge occurred on day 6. At 2-month follow-up, symptoms resolved completely. This case underscores the diagnostic pitfalls of lumbar schwannoma (mimicking disk herniation/cysts) and highlights the roles of nerve root blocks, contrast MRI, and histopathology. AUSS endoscopy achieved definitive management.
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