Cyst Maxillary Maxillary Sinus Retention Cyst Symptoms Retention Sinus Symptoms Maxillary Sinus Retention Cyst symptoms LorrinehtyuiMabry Tuesday, February 28, 2017 Sinus infection symptoms, types, and complications. Sep 16, 2011 a nasal polyp or cyst is small, tearshaped growth in the sinus cavity. Min...