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  • Title: Endoscope-assisted infratentorial-supracerebellar approach to the third ventricle: an anatomical study.
    Author: Cardia A, Caroli M, Pluderi M, Arienta C, Gaini SM, Lanzino G, Tschabitscher M.
    Journal: J Neurosurg; 2006 Jun; 104(6 Suppl):409-14. PubMed ID: 16776376.
    Abstract:
    OBJECT: The authors studied the microsurgical anatomy and endoscopic features of the pineal region and third ventricle to describe a combined microsurgical-endoscopic infratentorial-supracerebellar approach to the posterior third ventricle. Such an approach exposes the pineal gland and its complex neurovascular structures so that the third ventricle can be reached through a minimally invasive parapineal incision. METHODS: The approach was studied in 10 adult cadaveric heads, six fresh and four formalin fixed, by using an operative microscope with a magnification level of 6 to 40 and the assistance of an endoscope. The endoscope-assisted infratentorial-supracerebellar approach affords a complete view of the third ventricle from a posterior perspective. The third ventricle is entered through a parapineal incision using the natural space between the internal cerebral vein and the vein of Rosenthal located above the superior colliculi. CONCLUSIONS: The infratentorial-supracerebellar approach to the third ventricle follows a natural corridor and requires minimal retraction and resection of critical neural structures. With the use of the endoscope, an unsurpassed view into the third ventricle from a posterior perspective is obtained.
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