If hyperplasia develops in this area of the glabella, it may lead to the following symptoms: i. For patients with mild hyperplasia, there may be no symptoms or sensation. Some patients may experience pain in this area, which is mainly caused by the pressure of the hyperplastic bone on the surrounding soft tissues. Third, it may lead to bony deformities in this area. For example, there may be an obvious bony bulge in this area, which becomes more obvious when the patient inhales deeply or does abdominal retractions. Fourth, it may cause the patient to experience distention or other discomfort in the abdomen. If the glabellar prominence is directed inward, it may compress the stomach and cause the patient to experience abdominal distention, pain or other discomfort after a full meal.