Removal of Sclerotic Uncinate Process in ESS

Kyung Shik Suh, M.D.*, Seong Mo Koo, M.D.,Hui-Jun Kim, M.D.
Department of Otolaryngology, Ajou University School of Medicine

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Procdeures

Basic Concept
The natural ostium of maxillary sinus opens in the anterior fontanelle.

The anterior fontanelle lies anterior to the uncinate process and the ethmoidal process of inferior turbinate.

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Approach 1

1-1 Resection of polyp tissues/medialization of MT is performed and free margin of UP is exposed.

1-2 Reverse cutting forceps are used to open the infundibulum by cutting UP from back to front.

1-3 The anterior fontanelle is opened and enlarged with cutting forceps.

1-4 Bulla ethmoidalis is removed and the 3rd ground lamella of MT is exposed.

The large middle meatal antrostomy opening is a good landmark for the ethmoidectomy.

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Approach 2
By perforating the mucosa over anterior fontanelle and medial fracture of the uncinate process, the maxillary antrum can be easily apporached.

2-1 When UP free margin is not found, direct perforation of the anterior fontanelle with angled
knife or elevator is performed.

2-2 Enlarging the anterior fontanellotomy opening and removing sclerotic UP is performed with cutting forceps.

2-3 The anterior fontanelle is opened and enlarged with cutting forceps.

2-4 Bulla ethmoidalis is removed and the 3rd ground lamella of MT is exposed.

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