48,830
edits
(→Schneiderian papilloma: +ACP) |
|||
Line 177: | Line 177: | ||
*Oncocytes - '''key feature'''. | *Oncocytes - '''key feature'''. | ||
*Exophytic or endophytic growth pattern. | *Exophytic or endophytic growth pattern. | ||
==Antrochoanal polyp== | |||
:Abbreviated ''ACP''. | |||
===General=== | |||
*Benign.<ref name=pmid15626248>{{cite journal |vauthors=Maldonado M, Martínez A, Alobid I, Mullol J |title=The antrochoanal polyp |journal=Rhinology |volume=42 |issue=4 |pages=178–82 |date=December 2004 |pmid=15626248 |doi= |url=}}</ref> | |||
*Relative common ~5% of nasal polyps.<ref name=pmid19609378>{{cite journal |vauthors=Frosini P, Picarella G, De Campora E |title=Antrochoanal polyp: analysis of 200 cases |journal=Acta Otorhinolaryngol Ital |volume=29 |issue=1 |pages=21–6 |date=February 2009 |pmid=19609378 |pmc=2689564 |doi= |url=}}</ref> | |||
Epidemiology: | |||
*"Almost always" recur if incompletely excised.<ref name=pmid19609378/> | |||
*Originates from maxillary sinus and extends to choana.<ref name=pmid23179936>{{cite journal |vauthors=Balikci HH, Ozkul MH, Uvacin O, Yasar H, Karakas M, Gurdal M |title=Antrochoanal polyposis: analysis of 34 cases |journal=Eur Arch Otorhinolaryngol |volume=270 |issue=5 |pages=1651–4 |date=May 2013 |pmid=23179936 |doi=10.1007/s00405-012-2274-2 |url=}}</ref> | |||
==Gross== | |||
*Solid and cystic.<ref name=pmid15626248/> | |||
===Microscopic=== | |||
Features: | |||
*Respiratory epithelium. | |||
==See also== | ==See also== |
edits