ArticleRadiology case reports2024
Scalpellum occulta: A rare case of dorsal spinal arachnoid web without the scalpel sign.
Article in Radiology case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Clinical outcomes of resection of thoracic arachnoid webs: patient series.Journal of neurosurgery. Case lessons · 2026Article
- Arachnoid web presenting with acute myelopathy after minor trauma and subtle imaging findings: illustrative case.Journal of neurosurgery. Case lessons · 2026Article
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Authors and funding
6 authors.
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Abstract
Spinal arachnoid web is a rare condition characterized by extramedullary bands of arachnoid tissue at the level of the dorsal thoracic spinal cord that may lead to progressive, permanent neurological deficits. To date, this condition has been radiographically characterized by a scalpel sign, which has been pathognomonic in all reported cases of spinal arachnoid webs. In this case, we report the first known patient with confirmed spinal arachnoid web without radiographic evidence of the scalpel sign. In reporting our finding, we encourage a higher clinical suspicion for spinal arachnoid web in patients presenting with progressive thoracic myelopathy following trauma, and radiographic evidence of ventrally displaced spinal cord and turbulent cerebrospinal fluid flow, even in the absence of a scalpel sign.
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