{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T01:13:36Z","timestamp":1792026816372,"version":"4.4.0"},"reference-count":14,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,3,7]],"date-time":"2024-03-07T00:00:00Z","timestamp":1709769600000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2024,3,1]],"date-time":"2024-03-01T00:00:00Z","timestamp":1709251200000},"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":[[2024,3]]},"abstract":"<jats:title>Key Clinical Message<\/jats:title>\n                  <jats:p>Intracranial hemorrhage is the leading cause of neurological deficits and poor prognosis in adult patients with Moyamoya disease (MMD). Intracranial hemorrhage is occasionally accompanied by MMD\u2010associated aneurysm and requires additional treatment. To date, direct or indirect bypass surgery or endovascular treatment, such as coil embolization, has been adopted and has achieved successful outcomes. The rapid growth of MMD\u2010associated aneurysms and rebleeding after direct bypass surgery via superficial temporal artery\u2010middle cerebral artery (STA\u2010MCA) anastomosis has rarely been reported. We report a case of a rapidly growing fragile arterial pseudoaneurysm in a patient with MMD. A 45\u2010year\u2010old female was admitted with a headache and decreased mental status. Radiological evaluation, including distal subtraction angiography, revealed intraventricular hemorrhage with a left posterior choroidal artery pseudoaneurysm. Within 4\u2009days after revascularization surgery via STA\u2010MCA direct bypass, the size of the pseudoaneurysm rapidly increased and rebleeding occurred, requiring coil embolization. After endovascular therapy and a second STA\u2010MCA bypass surgery, the patient recovered well and was discharged 8\u2009days later. Follow\u2010up radiological imaging revealed an obliterated pseudoaneurysm without rebleeding or complications. In this case, the rapid growth of an MMD\u2010associated pseudoaneurysm was observed after revascularization surgery because of temporary hemodynamic instability. This report raises questions regarding the causes and management of unstable postbypass hemodynamics.<\/jats:p>","DOI":"10.1002\/ccr3.8605","type":"journal-article","created":{"date-parts":[[2024,3,7]],"date-time":"2024-03-07T06:25:51Z","timestamp":1709792751000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Rapidly growing distal choroidal artery aneurysm re\u2010rupture following revascularization for hemorrhagic Moyamoya disease: A case report"],"prefix":"10.1002","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1141-807X","authenticated-orcid":false,"given":"Jeong Taek","family":"Yoon","sequence":"first","affiliation":[{"name":"Department of Medicine, Graduate School Kyung Hee University  Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyung Mi","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Radiology, Kyung Hee University Hospital Kyung Hee University College of Medicine  Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiwook","family":"Ryu","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kyung Hee University Hospital Kyung Hee University College of Medicine  Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ju In","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kyung Hee University Hospital Kyung Hee University College of Medicine  Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,3,7]]},"reference":[{"issue":"3","key":"e_1_2_13_2_1","first-page":"1977","article-title":"Epidemiology, diagnosis and treatment of moyamoya disease","volume":"17","author":"Zhang H","year":"2019","journal-title":"Exp Ther 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Geka"},{"key":"e_1_2_13_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejrad.2022.110599"},{"key":"e_1_2_13_12_1","doi-asserted-by":"publisher","DOI":"10.7461\/jcen.2022.E2022.02.002"},{"key":"e_1_2_13_13_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12987-022-00324-0"},{"key":"e_1_2_13_14_1","doi-asserted-by":"publisher","DOI":"10.3171\/2018.1.JNS172393"},{"key":"e_1_2_13_15_1","doi-asserted-by":"publisher","DOI":"10.1177\/159101991001600302"}],"container-title":["Clinical Case 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