Abstract
PurposeThis study aims to determine the indications and effectiveness of transnasal endoscopic prelacrimal recess approach (PLRA) in patients with maxillary sinus inverted papilloma (IP).MethodsWe retrospectively analyzed 71 patients treated in our institution for maxillary sinus IP between August 2008 and April 2015. 20 patients underwent endoscopic surgery via PLRA. All the patients who had postoperative follow-up for 3 years were enrolled. Demographic data, surgical technique, location of IP attachment, intra- and postoperative complications, follow-up duration and recurrence were recorded.ResultsThe outpatient follow-up period was 3–10 years after surgery. Recurrence of IP was seen in 6 (8.5%) of 71 patients, including 1 patient in the PLRA group. The recurrence rate was 5% in the PLRA group. Six of 71 patients experienced postoperative complications, but none was observed in the PLRA group.ConclusionTransnasal endoscopic PLRA is a minimally invasive, safe and effective method for maxillary sinus IP. The indication for PLRA is tumor pedicle located on the antero-inferior or infero-lateral wall or at multiple attachment sites of the maxillary sinus.
Highlights
Inverted papilloma (IP) of the nasal cavity and paranasal sinuses is a benign tumor that accounts for 0.5–4% of all sinonasal tumors [1]
Two features of sinonasal IP are especially noteworthy: (1) it has a high propensity toward recurrence, with a recurrence rate of 5–30%; and (2) it is associated with squamous cell carcinoma in 5–21% of patients [2]
The tumor origin of IP in the nasal cavity and sinuses has a high degree of consistency with bone hyperplasia in computed tomography (CT) imaging [12], and the precise location of the lesion can be determined in conjunction with endoscopic findings
Summary
Inverted papilloma (IP) of the nasal cavity and paranasal sinuses is a benign tumor that accounts for 0.5–4% of all sinonasal tumors [1]. Two features of sinonasal IP are especially noteworthy: (1) it has a high propensity toward recurrence, with a recurrence rate of 5–30%; and (2) it is associated with squamous cell carcinoma in 5–21% of patients [2]. Aggressive surgical excision is the recommended treatment option. The maxillary sinus is the most frequent site of tumor origin (26–46.4%) [3,4,5]. Despite advances in surgical techniques, the surgical approaches utilized to address tumors occurring in the maxillary sinus remain
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