{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T21:56:36Z","timestamp":1793138196812,"version":"4.5.0"},"reference-count":29,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PED"],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:p>Intracystic bleomycin (ICB) administration is known to be effective in the treatment of cystic craniopharyngiomas (CRPs) and rarely causes serious complications. The authors report a case of vasculopathy after ICB injection for a recurrent cystic CRP. A 5-year-old boy presented with the cystic recurrence of a CRP. A catheter and Ommaya system were inserted into the cyst, followed by a leakage test 2 weeks later. Bleomycin was delivered at 3 mg per week for 14 weeks (total dose 42 mg). Four months later, the patient's activity decreased and right hemiparesis occurred. Magnetic resonance imaging and cerebral angiography demonstrated a recurrent multicystic mass and infarction at the left middle cerebral artery territory with stenosis\/occlusion of the left distal internal carotid artery and posterior cerebral artery. During the operation to remove the recurrent cystic mass, fibrotic stenoocclusion of the left intracranial arteries was identified. The cyst was totally removed. However, additional multiple border zone infarctions occurred in the left hemisphere, and the patient became wheelchair bound. Leakage of ICB was considered as the most probable cause of the cerebral vasculopathy and corresponding infarction. A leakage test may not always guarantee a leakage-free status even if the test is negative. Direct bypass surgery should have been considered to prevent a high risk of postoperative infarction in this case of a recurrent CRP with confirmed vasculopathy.<\/jats:p>","DOI":"10.3171\/2012.1.peds11437","type":"journal-article","created":{"date-parts":[[2012,3,30]],"date-time":"2012-03-30T15:02:16Z","timestamp":1333119736000},"page":"394-399","source":"Crossref","is-referenced-by-count":18,"title":["Vasculopathy after intracystic bleomycin administration for a recurrent cystic craniopharyngioma"],"prefix":"10.3171","volume":"9","author":[{"given":"Won-Sang","family":"Cho","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Kangwon National University Hospital, School of Medicine, Kangwon National University, Chuncheon, Gangwon-do;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seung-Ki","family":"Kim","sequence":"additional","affiliation":[{"name":"Division of Pediatric Neurosurgery, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyu-Chang","family":"Wang","sequence":"additional","affiliation":[{"name":"Division of Pediatric Neurosurgery, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji Hoon","family":"Phi","sequence":"additional","affiliation":[{"name":"Division of Pediatric Neurosurgery, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Byung-Kyu","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, The Armed Forces Capital Hospital, Bundang-gu Seongnam-si, Gyeonggi-do, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1-0090394","series-title":"Neurocirugia (Astur)","doi-asserted-by":"publisher","first-page":"479","DOI":"10.1016\/S1130-1473(02)70576-9","article-title":"Intratumoural bleomycin as a treatment for recurrent cystic craniopharyngioma. 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