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Michael M. McDowell, Georgios Zenonos, Eric Wang, Carl H. Snyderman and Paul A. Gardner

Transcript 0:20 This is the case of a 76-year-old woman presenting with progressive right vision loss consisting of a right eye temporal field cut and severe visual acuity loss. An MRI was performed showing a suprasellar mass for which she had been referred to our center for endoscopic endonasal approach. 0:40 On a contrasted T1 sequence we see a 2-cm homogenously enhancing lesion consistent with a planum sphenoidale meningioma. On CTA, the right A1 and bilateral proximal A2s are seen to be encased within the tumor. 0:55 We begin with the resection of her

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Kumar Abhinav, David Hong, Carol H. Yan, Peter Hwang, and and Juan C. Fernandez-Miranda

Transcript Here we present an endoscopic endonasal approach for resection of a pediatric chordoma in a 14-year-old patient that underwent a previous orbitozygomatic approach for what was thought to be a brainstem lesion. Pathology came back as chordoma and has progressively grown after the initial resection. 0:38 Pertinent anatomy It is key to understand the anatomy of the upper petroclival region for this operation and the described transcavernous posterior clinoidectomy to achieve complete resection of the involved tumor. We need to understand the medial wall

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Luigi Maria Cavallo, Giorgio Frank, Paolo Cappabianca, Domenico Solari, Diego Mazzatenta, Alessandro Villa, Matteo Zoli, Alfonso Iodice D'Enza, Felice Esposito and Ernesto Pasquini

approach at two institutions (Division of Neurosurgery of the Università degli Studi di Napoli Federico II, Naples, Italy, and Division of Neurosurgery of the Bellaria Hospital, Bologna, Italy). According to our philosophy, we would like to emphasize that before attempting craniopharyngioma surgery via the endoscopic endonasal approach, as well as before dealing with any other so-called extended endoscopic endonasal approach, extensive experience is required. 8 , 91 This attitude is illustrated by the graph in Fig. 1 , representing the increasing ratio between standard

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Ye Gu, Xiaobiao Zhang, Fan Hu, Yong Yu, Tao Xie, Chongjing Sun and Wensheng Li

lesions involving the third ventricle, without major sequelae related to the surgical approach in which bifrontal craniotomy 8 or supraorbital craniotomy 20 is used, and as a complementary approach in extended transsphenoidal surgery for suprasellar craniopharyngiomas. 17 The endoscopic endonasal approach (EEA) has been used to treat suprasellar craniopharyngioma in some institutions and is considered to be an alternative minimally invasive surgery approach. 4–7 , 9 , 10 , 12 , 13 , 19 , 21 , 22 , 27 Among suprasellar craniopharyngiomas treated via the EEA, the TVC

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Jun Muto, Daniel M. Prevedello, Leo F. S. Ditzel Filho, Ing Ping Tang, Kenichi Oyama, Edward E. Kerr, Bradley A. Otto, Takeshi Kawase, Kazunari Yoshida and Ricardo L. Carrau

lateral-to-medial trajectory, as is the case with ATPA. The endoscopic endonasal approach (EEA) to the posterior fossa utilizes the natural corridors of the nasal cavity and paranasal sinuses to access the central skull base ventrally. By combining surgical modules in both the sagittal (transclival) and coronal (supra- and infrapetrous) planes, the surgeon has ample access to the petroclival junction. However, this technique is limited laterally by the internal carotid artery (ICA) and the abducens nerve. The purpose of this study is to describe and compare the ATPA

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Alessandro Paluzzi, Paul Gardner, Juan C. Fernandez-Miranda, Carlos D. Pinheiro-Neto, Tiago Fernando Scopel, Maria Koutourousiou and Carl H. Snyderman

endoscopic management of petrous apex cholesterol granuloma . Otolaryngol Head Neck Surg 114 : 91 – 94 , 1996 12 Jaberoo MC , Hassan A , Pulido MA , Saleh HA : Endoscopic endonasal approaches to management of cholesterol granuloma of the petrous apex . Skull Base 20 : 375 – 379 , 2010 13 Jackler RK , Cho M : A new theory to explain the genesis of petrous apex cholesterol granuloma . Otol Neurotol 24 : 96 – 106 , 2003 14 Jaramillo M , Windle-Taylor PCJ : Large cholesterol granuloma of the petrous apex treated via subcochlear

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Salvatore Di Maio, Luigi M. Cavallo, Felice Esposito, Vita Stagno, Olga Valeria Corriero and Paolo Cappabianca

experience with the extended endoscopic endonasal approach 4 to the planum sphenoidale and tuberculum sellae, 3 , 11 , 22 we have begun to widen our surgical indications to include the above-mentioned selected cases of pituitary adenomas. In this article we present our preliminary results with the extended endonasal approach in the management of pituitary adenomas. Methods Study Design This study is a retrospective outcome review of pituitary adenomas removed via an extended endoscopic endonasal approach tailored to the suprasellar area. Selection criteria

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Brett E. Youngerman, Matei A. Banu, Mina M. Gerges, Eseosa Odigie, Abtin Tabaee, Ashutosh Kacker, Vijay K. Anand and Theodore H. Schwartz

–5 However, endoscopic endonasal approaches (EEAs) offer several potential advantages including direct access to the tumor’s meningeal origin, adjacent invaded bone, and blood supply, as well as visualization of the medial optic canal, medial paraclinoid ICA, and diaphragma sellae, with minimal retraction of the frontal lobes and optic apparatus. With experience and technical advances, EEAs can achieve comparable rates of gross-total resection (GTR) with better postoperative visual outcomes compared to TCAs. 6–11 Using closure techniques such as the nasoseptal flap and

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Matteo Zoli, Diego Mazzatenta, Adelaide Valluzzi, Gianluca Marucci, Ph.D., Nicola Acciarri, Ernesto Pasquini and Giorgio Frank

I n the last decade the indications for the endoscopic endonasal approach have been progressively expanded to include routine resection not only of intracranial extradural lesions such as pituitary adenomas, but also of intradural lesions such as meningiomas and craniopharyngiomas. 5 , 6 , 8 , 14 , 23 , 24 , 29 There are few reports on the utilization of the endoscopic endonasal route for intraparenchymal tumors such as hypothalamic gliomas, which are traditionally approached through various transcranial routes (pterional subfrontal, transcortical, or

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Shaan M. Raza, Angela M. Donaldson, Alpesh Mehta, Apostolos J. Tsiouris, Vijay K. Anand and Theodore H. Schwartz

the senior authors (T.H.S. and V.K.A.) at Weill Cornell Medical College, Sackler Brain and Spine Center, and NewYork-Presbyterian Hospital. We were interested in only those patients who had undergone pure endoscopic endonasal approaches for planned, single-stage gross-total resection of trigeminal schwannomas. Once patients were selected based on this criterion, we performed a retrospective chart review of hospital and office records for the remaining pre-, intra-, and postoperative treatment-related parameters. Particular attention was paid to pre- and