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| Name | Posterior transcallosal intervenous-interforniceal approach to a periaqueductal tumor |
| Video Uploader | Video From American Association of Neurological Surgeons |
| Upload Date | This Video Uploaded At 10-07-2020 12:25:31 |
| Video Discription | David S. Hersh, MD,1,2 Katherine N. Sanford, BS,1 and Frederick A. Boop, MD1–3 1Department of Neurosurgery, University of Tennessee Health Science Center; 2Le Bonheur Children’s Hospital; and 3Semmes Murphey Clinic, Memphis, Tennessee Described by Dandy in 1921, the posterior interhemispheric transcallosal approach provides an operative corridor to the pineal region, posterior third ventricle, and upper midbrain. Intervenous-interforniceal and paravenous-interforniceal variants have been utilized for midline and paramidline pathology, respectively. The intervenous-interforniceal variant capitalizes on the natural separation of the internal cerebral veins, which are found medial to the forniceal crura at this level, to provide a safe corridor to the tumor while minimizing the risk of injury to the fornices. Here, the authors describe a posterior interhemispheric transcallosal approach using the intervenous-interforniceal variant for resection of a periaqueductal pilocytic astrocytoma. **Intro music: "Daybreak" by Graeme Rosner |
| Category | Science & Technology |
| Tags | iMovie | brainstem | aqueductal | transcallosal | firnix | AANS | Neurosurgical Focus | Journal of Neurosurgery | forniceal crura |
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