RADIOLOGICAL ANATOMY OF FORAMEN ROTUNDUM

Document Type : Preliminary preprint short reports of original research

Authors

1 Department of Otorhinolaryngology, Head and Neck Surgery,Faculty of Medicine, Alexandria University

2 Department of Diagnostic and Interventional Radiology2, Faculty of Medicine, Alexandria University

3 Department of Otorhinolaryngology, Head and Neck Surgery, Faculty of Medicine, Alexandria University

Abstract

INTRODUCTION

- Endoscopic sinus surgery has been increasingly used in the field of otorhinolaryngology due to many reasons such as better visualization, the complex anatomy of the skull base and the relations between vital vascular and nervous elements make its approach a challenge for endoscopic surgeons, consecutively, the pre-operative knowledge about the detailed anatomy of the area is crucial and the computed tomography (CT) is a useful tool for them to plan the safest route of surgery, so as to avoid dramatic complications, such as vascular or nervous injury.
- Foramen rotundum is the inherent bony structure in the skull base and located in the greater wing of sphenoid bone in the floor of the middle cranial fossa, the FR is located adjacent to the nasopharynx and often invaded by the nasopharyngeal cancer and other malignant brain tumor.
AIM OF THE WORK
The aims of this study give the detailed description of anatomical variations of FR, as well as its relationships with surrounding vital structures, to instruct preoperative planning for endoscopic surgery.

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