This Article  • Full text  • PDF  • Reply to article  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Related article  • Similar articles in this journal  Topic Collections  • General Rhinology  • Radiology of Head & Neck  • Alert me on articles by topic  Social Bookmarking   What's this?

Arch Otolaryngol Head Neck Surg. 2006;132:560.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Diagnosis: Antrochoanal polyp (ACP)

Although the origin and nature of the ACP remain points of controversy, there is a consensus that the ACP originates in the maxillary sinus and passes through the sinus ostium into the choana.^1-3 The ACP can begin as an intramural cyst that obtains its polypoid shape as it protrudes through the maxillary ostium into the nasal cavity⁴ or it may be polypoid in origin.⁵ Min et al¹ observed that the ACP originates from the maxillary posterior, inferior, lateral, and medial walls in order of decreasing frequency, although some authors have reported the lateral wall as the most frequent site of origin.

The ACP represents 3% to 6% of all nasal polyps³ and occurs more commonly in men and possibly children.^{3, 6} It is predominantly solitary.⁵ It is typically larger than the nasal polyp and has a dumbbell shape because of the anatomical restrictions of surrounding structures.⁷ Frequently, the maxillary ostium is . . . [Full Text of this Article]

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?

RELATED ARTICLE

Radiology Quiz Case
Jeanne Lee, Andy T. A. Chung, and Richard L. Scher
Arch Otolaryngol Head Neck Surg. 2006;132(5):559.
EXTRACT | FULL TEXT