%0 Journal Article %T Origin of polyps and accompanying sinonasal pathologies in patients with antrochoanal polyp: Analysis of 22 patients %A Suha Ertugrul %J Archive of "Northern Clinics of Istanbul". %D 2019 %R 10.14744/nci.2018.87513 %X Solitary, benign soft tissue masses originating at the maxillary sinus and extending to the nasopharynx are called antrochoanal polyps (ACP). The aim of the study was to determine the origins of ACP accompanying sinonasal pathologies and the effectiveness of endoscopic sinus surgery in patients with ACP %K Antrochoanal polyp %K endoscopic sinus surgery %K nasal obstruction %K paranasal sinus %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6593918/