{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T18:03:54Z","timestamp":1786125834152,"version":"build-2736575974"},"reference-count":4,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","license":[{"start":{"date-parts":[[2021,6,25]],"date-time":"2021-06-25T00:00:00Z","timestamp":1624579200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":["Operative Surg.","ONSURG"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Parasagittal meningioma becomes challenging when it involves the sagittal sinus and frequently invades the skull\n                    <jats:sup>1<\/jats:sup>\n                    ; hence, resection of the invasive bone and management of the involved sinus are the two crucial issues in these tumors; notwithstanding the practice of conservative surgical resection coupled with irradiation (radiosurgery or stereotactic radiotherapy),\n                    <jats:sup>2<\/jats:sup>\n                    radical surgical removal, including the invaded bone and sinus (Simpson grade I), alleviates recurrences. It is more valuable and particularly recommended in grade II meningiomas,\n                    <jats:sup>3<\/jats:sup>\n                    since radical surgery is the principal factor in a long control of grade II meningioma\n                    <jats:sup>4<\/jats:sup>\n                    and radiation effectiveness is directly related to gross total removal.\n                    <jats:sup>5<\/jats:sup>\n                    On the other hand, removal of tumor involving the sinus and sinus reconstruction has been recommended and practiced for years.\n                    <jats:sup>6-10<\/jats:sup>\n                    When the sinus is occluded, preservation of the collateral venous drainage becomes paramount.\n                    <jats:sup>11<\/jats:sup>\n                    If the collateral venous drainage included cutaneous and dural channels, as in this patient, reconstructing of the sinus would become preventative of a major venous complication. Sindou et al\n                    <jats:sup>8<\/jats:sup>\n                    even advocate the routine reconstruction of occluded sinus to minimize morbidity.\n                  <\/jats:p>\n                  <jats:p>\u2003The patient is 39 yr old with a giant parasagittal meningioma that invaded the skull, occluded the sinus at the mid-third, and had venous collateral through the dura and cutaneous veins. He underwent radical resection with reconstruction of the sinus by saphenous vein graft. Patient consented for the operation and publication of images.<\/jats:p>\n                  <jats:p>\u2003Illustrations at 1:51 and 2:15 from Al-Mefty O, Operative Atlas of Meningiomas, \u00a9 LWW, 1997, with permission.<\/jats:p>","DOI":"10.1093\/ons\/opab232","type":"journal-article","created":{"date-parts":[[2021,6,25]],"date-time":"2021-06-25T17:43:10Z","timestamp":1624642990000},"page":"E332-E333","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":3,"title":["Resection of Giant Invasive Parasagittal Atypical Meningioma With a Venous Graft Reconstruction of the Sagittal Sinus: 2-Dimensional Operative Video"],"prefix":"10.1227","volume":"21","author":[{"given":"Emad","family":"Aboud","sequence":"first","affiliation":[{"name":"Arkansas Neurological Institute, Little Rock, Arkansas, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wardan Almir","family":"Tamer","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Faculty of Medicine, Hama University, Hama, Syria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4640-0563","authenticated-orcid":false,"given":"Walid","family":"Ibn Essayed","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ossama","family":"Al-Mefty","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2021,10]]},"reference":[{"issue":"3","key":"bib4-20250821","doi-asserted-by":"crossref","first-page":"367","DOI":"10.1007\/s11060-009-9934-0","article-title":"WHO grade II and III meningiomas: a study of prognostic factors","volume":"95","author":"Durand","year":"2009","journal-title":"J Neurooncol"},{"issue":"24","key":"bib5-20250821","doi-asserted-by":"crossref","first-page":"4376","DOI":"10.1002\/cncr.29639","article-title":"Extent of resection and overall survival for patients with atypical and malignant meningioma","volume":"121","author":"Aizer","year":"2015","journal-title":"Cancer"},{"issue":"3-4","key":"bib6-20250821","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1007\/BF01403595","article-title":"Radical resection of superior sagittal sinus meningioma with venous interposition graft and reimplantation of the rolandic veins. Case report","volume":"100","author":"Steiger","year":"1989","journal-title":"Acta Neurochir (Wien)"},{"issue":"Suppl 1","key":"bib8-20250821","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1054\/jocn.2001.0868","article-title":"Meningiomas invading the sagittal or transverse sinuses, resection with venous reconstruction","volume":"8","author":"Sindou","year":"2001","journal-title":"J Clin Neurosci"}],"container-title":["Operative Neurosurgery"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/ons\/article-pdf\/21\/4\/E332\/40331659\/opab232.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/www.ovid.com\/10.1093\/ons\/opab232","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T17:02:27Z","timestamp":1786122147000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.1093\/ons\/opab232"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,6,25]]},"references-count":4,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2021]]}},"URL":"https:\/\/doi.org\/10.1093\/ons\/opab232","relation":{},"ISSN":["2332-4252","2332-4260"],"issn-type":[{"value":"2332-4252","type":"print"},{"value":"2332-4260","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,6,25]]},"assertion":[{"value":"2021-02-12","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-05-03","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}