Abstract
BackgroundThe pineal region tumors are surrounded by important structures. Neuroendoscopy has been increasingly used at home and abroad. This study is to simulate pure neuroendoscopic infratentorial supracerebellar approach for resection of pineal region tumor from the cadaveric head, and discuss the advantages and safety through this corridor.MethodsThe anatomical structure for resection of pineal region tumor was visualized through pure neuroendoscopic infratentorial supracerebellar approach in three cadaveric heads. Three cases with pineal region tumors were retrospectively analyzed and summarized between June 2017 and December 2017. All cases were operated through pure neuroendoscopic infratentorial supracerebellar approach in the first affiliated hospital of Fujian medical university.ResultsThe anatomical structures of pineal region can be completely visualized by pure neuroendoscopic infratentorial supracerebellar corridor in the cadaveric head. Among the three cases, the first case was total resection, the second case was subtotal resection and the last case was partial resection. The postoperative pathology revealed cavernous hemangioma, germinoma and yolk sac tumor, respectively. The patients were followed-up for 1–6 months and had normal life.The KPS (karnofsky performance status) score was 100.ConclusionThe anatomical structure of the pineal region can be completely visualized and the tumor can be safely removed through pure neuroendoscopic infratentorial supracerebellar approach.
Highlights
The pineal region tumors are surrounded by important structures
Neuroendoscopy was used to visualize the anatomical structure of the pineal region to simulate the surgery from the middle gap under the tentorium, and the important anatomical structures were photographed in real time (Fig. 1)
The anatomical structure of the pineal region can be fully visualized by pure neuroendoscopic infratentorial supracerebellar corridor
Summary
The pineal region tumors are surrounded by important structures. Neuroendoscopy has been increasingly used at home and abroad. This study is to simulate pure neuroendoscopic infratentorial supracerebellar approach for resection of pineal region tumor from the cadaveric head, and discuss the advantages and safety through this corridor. The pineal region tumors are surrounded by important blood vessels and nerves. The operation may be difficult because of long distance and poor light under microscope. Damage to the deep veins may lead to death [1]. Neuroendoscopy has been increasingly applied due to strong light, wide vision and less pull to surrounding brain tissues. Pure neuroendoscopic resection of pineal region tumor has been reported worldwide [2, 3]. More and more neurosurgeons have received this operation
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