{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T06:58:51Z","timestamp":1785481131667,"version":"3.56.0"},"reference-count":8,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T00:00:00Z","timestamp":1780876800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T00:00:00Z","timestamp":1785456000000},"content-version":"vor","delay-in-days":53,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100007343","name":"Universit\u00e0 degli Studi di Brescia","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100007343","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Acta Neurochir"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>In 20% of patients, a dominant posterior communicating artery (PCoA) supplies the occipital lobe owing to a hypoplastic P1 segment of the posterior cerebral artery (PCA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>We present a reconstructive technique involving straight fenestrated clips applied in tandem for the exclusion of a postero-laterally projecting, wide-necked PCoA aneurysm with limited dome height and associated with a fetal-type PCA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This configuration progressively reconstructs the supraclinoid internal carotid artery-PCoA junction, completely excludes the aneurysm neck and avoids clip slippage. Continuous intraoperative neuromonitoring supports safe flow control and patency of the perforators and anterior choroidal artery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00701-026-06938-9","type":"journal-article","created":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T08:15:02Z","timestamp":1780906502000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tandem straight fenestrated clipping for posterior communicating artery aneurysm with fetal-type posterior cerebral artery"],"prefix":"10.1007","volume":"168","author":[{"given":"Kristy","family":"Latour","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco Maria","family":"Fontanella","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bin","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,6,8]]},"reference":[{"key":"6938_CR1","doi-asserted-by":"crossref","unstructured":"Bradac GB (2017) Posterior cerebral artery. In: Bradac GB (author) Applied cerebral angiography (Normal anatomy and vascular pathology) Springer-Verlag GmbH Germany, pp 115\u2013123","DOI":"10.1007\/978-3-319-57228-4_7"},{"key":"6938_CR2","doi-asserted-by":"crossref","unstructured":"Fukuda H, Hayashi K, Yoshino K, Koyama T, Lo B, Kurosaki Y, Yamagata S (2016) Perforating branches from the PCoA supply the oculomotor nerve, cerebral crura, ventral thalamus, and caudate nucleus. Neurosurgery 78(3):381\u201390","DOI":"10.1227\/NEU.0000000000001131"},{"issue":"3","key":"6938_CR3","doi-asserted-by":"publisher","first-page":"777","DOI":"10.1007\/s10143-019-01121-4","volume":"42","author":"F Matano","year":"2019","unstructured":"Matano F, Murai Y, Mizunari T et al (2019) Incision of the anterior petroclinoidal fold during clipping for securing the proximal space of an internal carotid artery-posterior communicating artery aneurysm: a technical note. Neurosurg Rev 42(3):777\u2013781","journal-title":"Neurosurg Rev"},{"issue":"4","key":"6938_CR4","doi-asserted-by":"publisher","first-page":"637","DOI":"10.1007\/s10143-014-0554-6","volume":"37","author":"E Nossek","year":"2014","unstructured":"Nossek E, Setton A, Dehdashti AR, Chalif DJ (2014) Anterior petroclinoid fold fenestration: an adjunct to clipping of postero-laterally projecting posterior communicating aneurysms. Neurosurg Rev 37(4):637\u2013641","journal-title":"Neurosurg Rev"},{"issue":"4","key":"6938_CR5","doi-asserted-by":"publisher","first-page":"785","DOI":"10.1016\/S1042-3680(18)30229-8","volume":"9","author":"HJ Pikus","year":"1998","unstructured":"Pikus HJ, Heros RC (1998) Surgical treatment of internal carotid and posterior communicating artery aneurysms. Neurosurg Clin N Am 9(4):785\u2013795","journal-title":"Neurosurg Clin N Am"},{"key":"6938_CR6","doi-asserted-by":"publisher","first-page":"e1232","DOI":"10.1016\/j.wneu.2019.04.112","volume":"127","author":"L Rinaldo","year":"2019","unstructured":"Rinaldo L, Brinjikji W, Cloft H et al (2019) Effect of fetal posterior circulation on efficacy of flow diversion for treatment of posterior communicating artery aneurysms: a multi-institutional study. World Neurosurg 127:e1232\u2013e1236","journal-title":"World Neurosurg"},{"issue":"2","key":"6938_CR7","doi-asserted-by":"publisher","first-page":"240","DOI":"10.3171\/jns.1982.57.2.0240","volume":"57","author":"K Sugita","year":"1982","unstructured":"Sugita K, Kobayashi S, Kyoshima K, Nakagawa F (1982) Fenestrated clips for unusual aneurysms of the carotid artery. J Neurosurg 57(2):240\u2013246","journal-title":"J Neurosurg"},{"issue":"4","key":"6938_CR8","doi-asserted-by":"publisher","first-page":"534","DOI":"10.3171\/jns.1978.48.4.0534","volume":"48","author":"AA Zeal","year":"1978","unstructured":"Zeal AA, Rhoton AL Jr. (1978) Microsurgical anatomy of the posterior cerebral artery. J Neurosurg 48(4):534\u201359","journal-title":"J Neurosurg"}],"container-title":["Acta Neurochirurgica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00701-026-06938-9","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00701-026-06938-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00701-026-06938-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T06:15:58Z","timestamp":1785478558000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00701-026-06938-9"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6,8]]},"references-count":8,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["6938"],"URL":"https:\/\/doi.org\/10.1007\/s00701-026-06938-9","relation":{},"ISSN":["0942-0940"],"issn-type":[{"value":"0942-0940","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,6,8]]},"assertion":[{"value":"2 February 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"28 May 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 June 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"This article does not contain any studies with animals performed by any of the authors. All procedures performed in studies involving human participants were in accordance with the ethical standards of the Huashan Hospital\u2014Fudan University, Shanghai\u2014China and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The studies were conducted in accordance with the local legislation and institutional requirements.","order":1,"name":"Ethics","label":"Ethics approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Written informed consent for publication of their clinical details and\/or clinical images was obtained from the patient\/parent\/guardian\/relative of the patient. A copy of the consent form is available for review by the Editor of this journal.","order":2,"name":"Ethics","label":"Informed consent","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":3,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"184"}}