{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T07:54:49Z","timestamp":1791273289314,"version":"4.1.0"},"reference-count":16,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Case Reports"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>A 56\u2010year\u2010old woman presented with a foramen magnum meningioma associated with headache and left hypoglossal nerve palsy. A vessel arising from the intradural vertebral artery was identified as the posterior meningeal artery based on an integrated assessment of its origin, course, and relationship to the tumor on three\u2010dimensional angiography and at surgery. During temporary occlusion, the left abductor pollicis brevis motor\u2010evoked potential (MEP) was present at 8\u2009min and absent at 9\u2009min. It was again detectable in the recording obtained 7\u2009min after clip release, but subsequent responses were not consistently discernible. Stimulation intensity had been increased after signal loss, and dissection continued during occlusion, limiting attribution of the MEP changes to vessel occlusion or release. The vessel was preserved, and Simpson Grade IV resection was performed. Histomorphology supported meningothelial meningioma, CNS WHO Grade 1; the Ki\u201067 labeling index was 1%. This case illustrates vessel\u2010preservation decisions informed by anatomical correlation and repeated neurophysiological assessment when vascular function is uncertain.<\/jats:p>","DOI":"10.1002\/ccr3.73573","type":"journal-article","created":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T04:59:01Z","timestamp":1790053141000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Preservation of the Posterior Meningeal Artery During Excision of a Foramen Magnum Meningioma: A Case Report"],"prefix":"10.1002","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-9338-205X","authenticated-orcid":false,"given":"Eiji","family":"Ito","sequence":"first","affiliation":[{"name":"Skull Base Surgical Center Aichi Medical University Hospital  Nagakute Aichi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasuhiro","family":"Nakajima","sequence":"additional","affiliation":[{"name":"Department 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