{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T01:56:56Z","timestamp":1774576616612,"version":"3.50.1"},"reference-count":10,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JNS"],"published-print":{"date-parts":[[2009,1]]},"abstract":"<jats:sec>\n<jats:title>Object<\/jats:title>\n<jats:p>Endoscopic surgery has been reported to be more cost-effective and safer than open craniotomy for resection of colloid cysts, despite a 5\u201310% conversion rate to craniotomy, a 5% recurrence rate, a 5\u201310% ventricular shunting rate, a 5\u201310% epilepsy rate, and a 3\u20134 day hospital stay. In 1985, the authors developed a interhemispheric, transcallosal, subchoroidal, fornix-sparing approach that allowed safe total resection of the colloid cyst and that appeared to be superior to the endoscopic approach. The long-term results are analyzed and compared with findings in the literature.<\/jats:p><\/jats:sec>\n<jats:sec>\n<jats:title>Methods<\/jats:title>\n<jats:p>Fifty-seven consecutive colloid cysts were totally removed via a 3 \u00d73\u2013in paramedian craniotomy flap and a microscopic interhemispheric, transcallosal, subchoroidal approach sparing the ipsilateral fornix. The length of the callosotomy was 1.5\u20132 cm in all patients. The mean follow-up duration was 12 years (range 2\u201322 years). A retrospective analysis comparing the authors' results with those reported in the endoscopic literature was performed.<\/jats:p><\/jats:sec>\n<jats:sec>\n<jats:title>Results<\/jats:title>\n<jats:p>All patients had 1-year postoperative imaging studies (CT or MR imaging) documenting gross-total resection with no deaths, infection, hemiparesis, seizures, or disconnection syndrome. One surgery was complicated by bilateral subdural hematomas, which were successfully treated. There has been a zero recurrence rate. Three patients required a permanent ventriculoperitoneal shunt (including 2 who required emergency ventriculostomy before surgery). The mean hospital stay was 4.8 days (range 2\u201324 days). There was 1 patient with permanent short-term memory loss who presented with a herniation syndrome requiring emergency ventriculostomy.<\/jats:p><\/jats:sec>\n<jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>The interhemispheric, transcallosal, subchoroidal, fornix-sparing approach to gross-total resection of colloid cysts is safe and led to a zero recurrence rate with no permanent neurological sequelae including epilepsy, and these results are superior to any reported results with endoscopy.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2008.4.17495","type":"journal-article","created":{"date-parts":[[2008,10,3]],"date-time":"2008-10-03T14:08:53Z","timestamp":1223042933000},"page":"112-115","source":"Crossref","is-referenced-by-count":46,"title":["Interhemispheric transcallosal subchoroidal fornix-sparing craniotomy for total resection of colloid cysts of the third ventricle"],"prefix":"10.3171","volume":"110","author":[{"given":"Scott","family":"Shapiro","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard","family":"Rodgers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitesh","family":"Shah","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Fulkerson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert L.","family":"Campbell","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1-1100112","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"1062","DOI":"10.3171\/jns.1998.89.6.1062","article-title":"Endoscopic treatment of colloid cysts of the third ventricle. 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