Nasal polyps are benign inflammatory and hyperplastic outgrowths of the sinonasal mucosa. Their most common manifestation is in patients with chronic rhinosinusitis (CRS). For this reason, the term chronic rhinosinusitis with nasal polyposis (CRSwNP) is frequently used when discussing the topic of n...

BACKGROUND AND PURPOSE: SAP is a rare lesion of the sinonasal cavity, which may be misdiagnosed as a benign or malignant neoplasm. The purpose of our study was to comprehensively evaluate the MR imaging features of SAP. MATERIALS AND METHODS: Forty patients with SAP confirmed pathologically w...

Familial adenomatous polyposis (FAP) or familial polyposis coli (FPC) is an autosomal dominant polyposis syndrome with varying degrees of penetrance. If untreated, patients will develop hundreds to thousands of polyps throughout the colon and rectum. Polyps often develop in the early teens and resul...