Introduction Inverted papilloma is a rare benign tumor of the nasal fossa, which usually
originates from its lateral wall. Only 5% of cases demonstrate exclusive sinus involvement …

Background: Inverted papilloma (IP) is an epithelial mucosal tumor of the nasal and
paranasal sinuses (NPS), which recurs in up to 70% of cases after surgical treatment and …

Objectives To evaluate the clinical and prognostic behaviors of sinonasal papillomas.
Methods Patients diagnosed with sinonasal papilloma were reviewed between 2001 and …

Background Computed tomography and magnetic resonance imaging (MRI) are the
techniques of choice for pretreatment staging in neoplasms of the sinonasal tract. In inverted …

Inverted papilloma is a rare sinonasal tumor that mainly occurs in adults during the 5th
decade. Three characteristics make this tumor very different from other sinonasal tumors: a …

Objectives: The aim of this study was to further characterize a newly described neoplasm,
low-grade papillary Schneiderian carcinoma, occurring simultaneously in the sinonasal …

Background The pathogenesis of inverted papilloma (IP) has not been fully elucidated.
However, chronic paranasal sinus inflammation has been anecdotally observed in sites …

Intranasal papillomas may be categorized by histologic origin as those arising from squa-
mous or schneiderian epithelium. Squamous papillomas result from a proliferation of squa …

Objective Nasal and sinonasal inverted papilloma (IP) are rare benign tumors and have the
potential to exhibit malignancy in approximately 10% of cases. This study aimed to analyze …

ABSTRACT BACKGROuND. Inverted Schneiderian papilloma is a fairly rare benign tumor of
the nasal cavity. Even if this type of tumor is included in the category of benign tumors, it has …