• Gülpembe Bozkurt, Mario Turri-Zanoni, Federico Russo, Hassan Ahmed Elhassan, Paolo Castelnuovo, and Paolo Battaglia.
• Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, Head and Neck Surgery & Forensic Dissection Research Center, University of Insubria, Varese, Italy. Electronic address: gptalayhan@gmail.com.
• World Neurosurg. 2019 Mar 1; 123: 23-28.

BackgroundThe endoscopic endonasal transpterygoid approach is emerging as a valid option for treating selected tumors in the infratemporal fossa. Compared with traditional open approaches, the endoscopic endonasal approach presents more difficulty in controlling bleeding and less choice in surgical instruments for endoscopic tumor dissection, which is often performed with bipolar forceps or steel dissectors.Case DescriptionWe describe the use of an ultrasonic scalpel device for performing endoscopic endonasal resection of 2 rare infratemporal fossa tumors (mature teratoma and hemangiopericytoma), which has not been reported in the literature so far. We also review the literature on endoscopic ultrasonic scalpel use.ConclusionsThe ultrasonically activated scalpel is a safe, effective and simple to use device, which achieved excellent hemostasis and did not damage adjacent neurovascular structures.Copyright © 2018 Elsevier Inc. All rights reserved.

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