Abstract
There are several differential diagnoses of unilateral sinus disease. One of these is inverted papilloma (IP) of the maxillary sinus, which is a common benign tumor with a substantial rate of malignant transformation. In general, endoscopic endonasal techniques for addressing the tumor are favored nowadays instead of classical external approaches. The aim of this retrospective study was to investigate the long-term outcome of inverted papilloma treated endoscopically via the prelacrimal approach. We reviewed 17 patients with primary or recurrent IP of the maxillary sinus that were treated via the prelacrimal endoscopic endonasal technique. After a median follow-up period of 45.9 months (3.8 years), none of the 17 included patients showed signs of recurrent disease and no serious complications were reported. Hypoesthesia of the incisors was reported by four patients and was resolved with time in one. All of the maxillary sinuses could be fully visualized with the flexible endoscope. IP is an important differential diagnosis in the clinical finding of unilateral nasal polypoid lesions. The prelacrimal approach is an effective and safe method in the treatment of IP with limited patient morbidity.
Highlights
There are several differential diagnoses of unilateral sinus disease with or without polypoid masses in the nasal cavity and middle meatus, e.g. asymmetric manifestation of bilateral chronic rhinosinusitis, odontogenic sinusitis,choanal polyp, otherwise undefined isolated nasal polyps and benign or malignant tumors [1,2,3,4]
We reviewed 17 patients with primary or recurrent inverted papilloma (IP) of the maxillary sinus that were treated via the prelacrimal endoscopic endonasal technique
The aim of this study is to investigate the long-term results after the endoscopic endonasal resection of inverted papilloma of the maxillary sinus while using the prelacrimal approach, as well as the surgical morbidity
Summary
There are several differential diagnoses of unilateral sinus disease with or without polypoid masses in the nasal cavity and middle meatus, e.g. asymmetric manifestation of bilateral chronic rhinosinusitis, odontogenic sinusitis, (antro)choanal polyp, otherwise undefined isolated nasal polyps and benign or malignant tumors [1,2,3,4]. The classical medial maxillectomy with resection of the medial wall of the maxillary sinus including the inferior turbinate and the nasolacrimal duct or a transoral sublabial access (classic Caldwell-Luc, Canine-fossa-trephination) would be the technique of choice [10,29,30,31,32,33,34,35,36,37,38,39]. Current endoscopic approaches try to preserve the inferior turbinate and nasolacrimal duct, if not involved in the tumor [10,21,40,41,42,43,44,45,46,47,48,49]. If the tumor does not affect the inferior turbinate and the nasolacrimal duct, these structures can be preserved [14,40,41,44,45,46,47,48,49,53,54]
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