Anatomic variations associated with antrochoanal polyps

Conclusion: Accessory ostium may be an accelerating factor in the transformation of retention cyst to ACP. Furthermore, the changes in the nasal passage airflow on the opposite side suggest that SD contributes to this process.

http://www.njcponline.com/text.asp?2019/22/5/603/258274

Source: Nigerian Journal of Clinical Practice - May 14, 2019 Category: Rural Health Authors: M Gursoy N Erdogan YK Cetinoglu F Dag E Eren ME Uluc Source Type: research