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  • Title: Sinonasal schneiderian papilloma.
    Author: Yoskovitch A, Braverman I, Nachtigal D, Frenkiel S, Rochon L, Black MJ.
    Journal: J Otolaryngol; 1998 Jun; 27(3):122-6. PubMed ID: 9664239.
    Abstract:
    OBJECTIVE: Schneiderian papilloma of the paranasal sinuses is a locally aggressive benign epithelial tumour with malignant potential. METHOD: A retrospective analysis of 72 patients as seen at our institution from 1978 to 1997 was conducted. RESULTS: The most frequent symptoms at time of presentation were nasal obstruction, presence of a nasal mass, and nasal discharge. The most common sites of involvement were the maxillary antrum (58.3%), lateral nasal wall (41.7%) and ethmoid sinus (37.5%). Histologic examination confirmed all 72 instances of schneiderian papilloma, with 55/72 (76.4%) being of the inverted type, 13/72 (18.1%) being the fungiform type, and 4/72 (5.5%) being the cylindrical type. An associated malignancy or potential premalignant condition was present in 15 patients (20.8%), with 8 (11.1%) exhibiting dysplastic changes, 4 patients (5.5%) found to have carcinoma in situ, and 3 patients (4.2%) found to have invasive carcinoma. Conservative surgical excision was performed in 37 (51.4%) with more radical surgery, including lateral rhinotomy and medial maxillectomy performed in 35 (48.6%) patients. Recurrence was seen in 17/37 (45.9%) patients treated conservatively compared to 0/35 (0.0%) patients treated aggressively. CONCLUSIONS: Our results indicate that more aggressive surgery is associated with a more definitive treatment and significantly less recurrence and, as such, is the management of choice in cases of schneiderian papilloma. Furthermore, our results indicate the need for long-term follow-up, and the applicability of sinus endoscopy in doing so.
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