{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,6,3]],"date-time":"2023-06-03T04:26:25Z","timestamp":1685766385714},"reference-count":23,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec id=\"st1\">\n<jats:title>Background: <\/jats:title>\n<jats:p>Extra-axial cerebellopontine angle (CPA) hemangioblastomas are rare clinical entity and surgical treatment is challenging due to the anatomical difficulties and multi-directional blood supplies. On the other hand, the risk of endovascular treatment for this disease has also been reported. Herein, we successfully applied a posterior transpetrosal approach to remove a large solid CPA hemangioblastoma without preoperative feeder embolization.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st2\">\n<jats:title>Case Description: <\/jats:title>\n<jats:p>A 65-year-old man presented with a complaint of diplopia during downward gaze. Magnetic resonance imaging revealed a solid tumor with homogeneous enhancement measuring about 35 mm at the left CPA, and the tumor compressed a left trochlear nerve. Cerebral angiography disclosed tumor-staining fed by both left superior cerebellar and left tentorial arteries. After the operation, the patient\u2019s trochlear nerve palsy improved dramatically.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st3\">\n<jats:title>Conclusion: <\/jats:title>\n<jats:p>This approach offers more optimal surgical working angle to the anteromedial part compared to the lateral suboccipital approach. In addition, the devascularization from the cerebellar parenchyma can be performed more reliably than the anterior transpetrosal approach. After all, this approach can be particularly useful when vascular-rich tumors receive blood supplies from multiple directions.<\/jats:p>\n<\/jats:sec>","DOI":"10.25259\/sni_38_2023","type":"journal-article","created":{"date-parts":[[2023,6,2]],"date-time":"2023-06-02T06:59:36Z","timestamp":1685689176000},"page":"191","update-policy":"http:\/\/dx.doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Usefulness of posterior transpetrosal approach for the large solid cerebellopontine angle hemangioblastoma fed from multiple blood supplies: A technical case report"],"prefix":"10.25259","volume":"14","author":[{"given":"Kosuke","family":"Miyahara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomu","family":"Okada","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shin","family":"Tanino","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhiro","family":"Uriu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yusuke","family":"Tanaka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koji","family":"Suzuki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noriaki","family":"Sekiguchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naoyuki","family":"Noda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Teruo","family":"Ichikawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiko","family":"Fujitsu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"10894","published-online":{"date-parts":[[2023,6,2]]},"reference":[{"key":"10.25259\/SNI_38_2023\/ref-1","doi-asserted-by":"crossref","first-page":"418","DOI":"10.2176\/nmc.49.418","article-title":"Cerebellar hemangioblastoma manifesting as hearing disturbance","volume":"49","author":"Amano","year":"2009","journal-title":"Neurol Med Chir (Tokyo)"},{"key":"10.25259\/SNI_38_2023\/ref-2","doi-asserted-by":"crossref","first-page":"734","DOI":"10.1001\/archoto.2010.98","article-title":"Hemangioblastoma of the cerebellopontine angle","volume":"136","author":"Bush","year":"2010","journal-title":"Arch Otolaryngol Head Neck Surg"},{"key":"10.25259\/SNI_38_2023\/ref-3","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1016\/j.wneu.2017.03.144","article-title":"Clinical features and surgical outcomes in patients with cerebellopontine angle hemangioblastomas: Retrospective series of 23 cases","volume":"103","author":"Cheng","year":"2017","journal-title":"World Neurosurg"},{"key":"10.25259\/SNI_38_2023\/ref-4","doi-asserted-by":"crossref","first-page":"994","DOI":"10.3171\/jns.2007.106.6.994","article-title":"Hemorrhage after particle embolization of hemangioblastomas: Comparison of outcomes in spinal and cerebellar lesions","volume":"106","author":"Cornelius","year":"2007","journal-title":"J Neurosurg"},{"key":"10.25259\/SNI_38_2023\/ref-5","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1080\/02688690220131804","article-title":"Excision of large solid haemangioblastomas of the cerebellopontine angle by a skull base approach","volume":"16","author":"Dow","year":"2002","journal-title":"Br J Neurosurg"},{"key":"10.25259\/SNI_38_2023\/ref-6","doi-asserted-by":"crossref","first-page":"815","DOI":"10.1016\/j.wneu.2014.06.018","article-title":"Clinical factors predicting outcomes after surgical resection for sporadic cerebellar hemangioblastomas","volume":"82","author":"Fukuda","year":"2014","journal-title":"World Neurosurg"},{"key":"10.25259\/SNI_38_2023\/ref-7","doi-asserted-by":"crossref","first-page":"238","DOI":"10.1016\/j.surneu.2003.09.030","article-title":"Attenuation of vascularity by preoperative radiosurgery facilitates total removal of a hypervascular hemangioblastoma at the cerebello-pontine angle: Case report","volume":"62","author":"Kamitani","year":"2004","journal-title":"Surg Neurol"},{"key":"10.25259\/SNI_38_2023\/ref-8","doi-asserted-by":"crossref","first-page":"e18871","DOI":"10.1097\/MD.0000000000018871","article-title":"Cystic-solid hemangioblastoma at the cerebellopontine angle. 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