Background: The inverted and oncocytic subtypes of sinonasal Schneiderian papillomas are
benign tumors with possible rare malignant transformation and are typically managed with …

Conclusion: Benign tumors with oncocytic components may show avid FDG uptake.
Therefore, correct diagnosis of oncocytic Schneiderian papilloma on FDG images is difficult …

We report a 55-year-old man with oncocytic schneiderian papilloma confined to the
sphenoid sinus, which was initially detected by positron emission tomography with 18F …

Background: Sinonasal inverted papilloma (IP) is an uncommon nasal tumor. It is known for
being locally invasive and recurrent, with a high probability of malignant transformation …

The present study describes the first reported case of a sinonasal inverted papilloma (IP)
with squamous cell carcinoma (SCC) that presented as a cancer of unknown primary in the …

Objective: To evaluate and compare the imaging feature of sinonasal oncocytic papilloma
(OP) with inverted papilloma (IP). Methods: The CT and MR imaging manifestations of 17 …

Sinonasal inverted papilloma (IP) is the most common benign tumor in sinonasal cavities.
Treatment involves excising the whole tumor, so it is essential to evaluate the extent of the …

Introduction Sinonasal inverted papilloma (IP) is known for high rate of associated
malignancy. The purpose of this study was to identify 18 F-FDG PET/CT findings of …

Schneiderian papillomas are benign tumors of the nasal cavity and paranasal sinuses often
asymptomatic in their early stages. We report a case of a maxillary sinus oncocytic …

Inverted papilloma (IP) is a benign but locally aggressive sinonasal tumour. Aggressive
surgical treatment has thus been traditionally recommended because of the risk of …