Antrochoanal polyp

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[edit] Discussion of Antrochoanal polyp

  • Benign solitary polypoid lesion
  • Usually arises in a maxillary sinus
    • Opacifying and enlarging the maxillary sinus without bone destruction.
    • Passes through the sinus ostium into the choana
    • From choana it passes into the posterior nasopharynx.

[edit] Imaging Findings for Antrochoanal polyp

  • As above

[edit] Images

Patient #1: Antrochoanal polyp arising from the left maxillary sinus

[edit] See Also

[edit] External Links

[edit] References for Antrochoanal polyp