{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T19:26:59Z","timestamp":1769196419618,"version":"3.49.0"},"reference-count":27,"publisher":"BMJ","issue":"12","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J NeuroIntervent Surg"],"accepted":{"date-parts":[[2018,4,4]]},"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:sec><jats:title>Purpose<\/jats:title><jats:p>To report percutaneous transcranial puncture, embolization and occlusion of a very symptomatic hypoglossal canal\/anterior condylar vein dural arteriovenous fistula (DAVF) using syngo iGuide navigational software in a patient in whom transarterial and transvenous embolization and surgery had failed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>After unsuccessful arterial and venous embolization and surgical treatment of a symptomatic hypoglossal canal DAVF, a 47-year-old man was transferred for further management. With exquisite anatomic detail provided by C-arm cone-beam computed tomography (CBCT) equipment (Artis zee Biplane, Dyna CT VC21H, Siemens Healthcare GmbH, Germany) and syngo iGuide needle guidance navigational software (Siemens Healthcare GmbHy) for planning a safe direct approach, the hypoglossal\/anterior condylar vein, the dominant outflow vein of the fistula, was needle punctured percutaneously at the hypoglossal foramen and occluded with ethylene vinyl alcohol copolymer liquid embolic agent (Onyx, Medtronic, Minneapolis, Minnesota, USA) after placing two anchoring platinum coils (Target detachable coils, Stryker Neurovascular, Fremont, California, USA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After a year of progressively severe left eye proptosis, chemosis and increased intraocular pressure, the symptoms quickly subsided after this embolization and the patient was symptom free at his 3-month and later checkups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>With guidance and imaging provided by CBCT and syngo iGuide navigational software, an otherwise untreatable DAVF was successfully embolized and obliterated by an aggressive unique percutaneous trans-cranial needle puncture of the dominant outflow vein in the hypoglossal canal.<\/jats:p><\/jats:sec>","DOI":"10.1136\/neurintsurg-2018-013845","type":"journal-article","created":{"date-parts":[[2018,6,16]],"date-time":"2018-06-16T16:30:01Z","timestamp":1529166601000},"page":"1179-1182","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":8,"title":["Unique percutaneous direct puncture technique for occlusion of a hypoglossal canal dural arteriovenous fistula"],"prefix":"10.1136","volume":"10","author":[{"given":"Orlando M","family":"Diaz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria M","family":"Toledo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John O F","family":"Roehm","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard P","family":"Klucznik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9223-1284","authenticated-orcid":false,"given":"Ponraj","family":"Chinnadurai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gloria Viviana","family":"Lopez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gavin W","family":"Britz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2018,6,16]]},"reference":[{"key":"2024052304252264000_10.12.1179.1","doi-asserted-by":"publisher","DOI":"10.1161\/STROKEAHA.115.008228"},{"key":"2024052304252264000_10.12.1179.2","doi-asserted-by":"publisher","DOI":"10.3171\/2014.10.JNS14377"},{"key":"2024052304252264000_10.12.1179.3","doi-asserted-by":"publisher","DOI":"10.1017\/S0317167100008374"},{"key":"2024052304252264000_10.12.1179.4","doi-asserted-by":"publisher","DOI":"10.3171\/jns.2001.94.4.0630"},{"key":"2024052304252264000_10.12.1179.5","first-page":"2016","article-title":"Three cases of dural arteriovenous fistula of the anterior condylar vein within the hypoglossal canal","volume":"20","author":"Ernst","year":"1999","journal-title":"AJNR Am J Neuroradiol"},{"key":"2024052304252264000_10.12.1179.6","first-page":"1565","article-title":"Dural arteriovenous fistulas of the marginal sinus","volume":"18","author":"McDougall","year":"1997","journal-title":"AJNR Am J Neuroradiol"},{"key":"2024052304252264000_10.12.1179.7","doi-asserted-by":"publisher","DOI":"10.1097\/00006123-199707000-00030"},{"key":"2024052304252264000_10.12.1179.8","first-page":"1500","article-title":"The craniocervical venous system in relation to cerebral venous drainage","volume":"23","author":"San Mill\u00e1n Ru\u00edz","year":"2002","journal-title":"AJNR Am J Neuroradiol"},{"key":"2024052304252264000_10.12.1179.9","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1177\/159101990801400311","article-title":"Dural arteriovenous fistula at the anterior condylar confluence","volume":"14","author":"Miyachi","year":"2008","journal-title":"Interv Neuroradiol"},{"key":"2024052304252264000_10.12.1179.10","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1177\/159101990801400312","article-title":"Endovascular treatment for dural arteriovenous fistula of the anterior condylar confluence involving the anterior condylar vein. 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