Smail Kharoubi

By Smail Kharoubi

The posterior ethmoidal artery is a collateral of the ophthalmic artery and participates in the vascularization of the nasal cavities. It is an important landmark in endonasal surgery with complex orbital contents relationships. We recognize many anatomical and functional varieties. This chapter proposes to present a classic descriptive anatomical study but also a modern radiological and endoscopic study of the posterior ethmoidal artery. It also proposes to present a description of some pathologies associated with this artery, particulary posterior epistaxis and other vascular disorders. The surgical procedur to access to posterior ethmoidal artery,external or endoscopic approach of the posterior ethmoidal artery will be described.

Part of the book: Paranasal Sinuses Anatomy and Conditions

By Kharoubi Smail

The nasal septum is an important structure in the architecture of nasosinusal cavities. He represents a medial osteocartilaginous structure that separates the nasal cavities into two parts. It has an important function in maintaining the nasal structure and the physiology of breathing. Furthermore, nasal septum can to be interested in many disturbances and several pathologies: congenital, traumatic, infectious, inflammatory, toxic, tumoral (benign and malignant). Many surgical technical procedures have been described to overcome the various dysfunctions of the nasal septum.

Part of the book: Paranasal Sinuses